All Stories

  1. Links between Evolution, Development, Human Anatomy, Pathology, and Medicine, with A Proposition of A Re-defined Anatomical Position and Notes on Constraints and Morphological “Imperfections”

    Article • Journal of Experimental Zoology Part B Molecular and Developmental Evolution, June 2016, Wiley

    Rui Diogo

  2. Are more diverse parts of the mammalian skull more labile?

    Article • Ecology and Evolution, March 2016, Wiley

    Rui Diogo

  3. Where is the Evo in Evo-Devo (evolutionary developmental biology)?

    Article • Journal of Experimental Zoology Part B Molecular and Developmental Evolution, December 2015, Wiley

    Rui Diogo

  4. Origin, Development, and Evolution of Primate Muscles, with Notes on Human Anatomical Variations and Anomalies

    Article • November 2015, Wiley

    Rui Diogo

  5. Anatomical Network Comparison of Human Upper and Lower, Newborn and Adult, and Normal and Abnormal Limbs, with Notes on Development, Pathology and Limb Serial Homology vs. Homoplasy

    Article • PLoS ONE, October 2015, PLOS

    Rui Diogo

  6. On the serial homology of the pectoral and pelvic girdles of tetrapods

    Article • Evolution, October 2015, Wiley

    Rui Diogo

  7. Evolutionary developmental pathology and anthropology: A new field linking development, comparative anatomy, human evolution, morphological variations and defects, and medicine

    Article • Developmental Dynamics, September 2015, Wiley

    Rui Diogo

  8. The human brain and face: mechanisms of cranial, neurological and facial development revealed through malformations of holoprosencephaly, cyclopia and aberrations in chromosome 18

    Article • Journal of Anatomy, August 2015, Wiley

    Rui Diogo

  9. Musculoskeletal anatomical changes that accompany limb reduction in lizards

    Article • Journal of Morphology, August 2015, Wiley

    Dr Virginia Abdala, Rui Diogo

  10. Development, metamorphosis, morphology, and diversity: The evolution of chordate muscles and the origin of vertebrates

    Article • Developmental Dynamics, July 2015, Wiley

    Rui Diogo

  11. Anatomical Network Analysis Shows Decoupling of Modular Lability and Complexity in the Evolution of the Primate Skull

    Article • PLoS ONE, May 2015, PLOS

    Rui Diogo

  12. A new heart for a new head in vertebrate cardiopharyngeal evolution

    Article • Nature, April 2015, Nature

    Rui Diogo

  13. Towards the resolution of a long-standing evolutionary question: muscle identity and attachments are mainly related to topological position and not to primordium or homeotic identity of digits

    Article • Journal of Anatomy, April 2015, Wiley

    Rui Diogo

  14. Anatomical networks reveal the musculoskeletal modularity of the human head

    Article • Scientific Reports, February 2015, Nature

    Rui Diogo

  15. Muscular and Skeletal Anomalies in Human Trisomy in an Evo-Devo Context

    Article • February 2015, Taylor & Francis

    Rui Diogo

  16. Comparative Anatomy of Primates

    Article • January 2015, Elsevier

    Rui Diogo

  17. Cephalic muscles of Cyclostomes (hagfishes and lampreys) and Chondrichthyes (sharks, rays and holocephalans): comparative anatomy and early evolution of the vertebrate head muscles

    Article • Zoological Journal of the Linnean Society, September 2014, Oxford University Press (OUP)

    Rui Diogo

  18. Specialize or risk disappearance - empirical evidence of anisomerism based on comparative and developmental studies of gnathostome head and limb musculature

    Article • Biological Reviews, August 2014, Wiley

    Rui Diogo

  19. Baby Gorilla

    Article • August 2014, Taylor & Francis

    Rui Diogo

  20. Is evolutionary biology becoming too politically correct? A reflection onthe scala naturae, phylogenetically basal clades, anatomically plesiomorphic taxa, and ‘lower’ animals

    Article • Biological Reviews, June 2014, Wiley

    Rui Diogo

  21. The Anatomy and Ontogeny of the Head, Neck, Pectoral, and Upper Limb Muscles ofLemur cattaandPropithecus coquereli(Primates): Discussion on the Parallelism Between Ontogeny and Phylogeny and Implications for Evolutionary and Developmental Biology

    Article • The Anatomical Record, April 2014, Wiley

    Rui Diogo

  22. Comparative Anatomy, Evolution, and Homologies of Tetrapod Hindlimb Muscles, Comparison with Forelimb Muscles, and Deconstruction of the Forelimb-Hindlimb Serial Homology Hypothesis

    Article • The Anatomical Record, April 2014, Wiley

    Rui Diogo

  23. Do Correlation Patterns Reflect the Role of Development in Morphological Evolution?

    Article • Evolutionary Biology, March 2014, Springer Science + Business Media

    Rui Diogo

  24. Cranial muscle development in frogs with different developmental modes: Direct development versus biphasic development

    Article • Journal of Morphology, December 2013, Wiley

    Rui Diogo

  25. Development of fore- and hindlimb muscles in GFP-transgenic axolotls: Morphogenesis, the tetrapod bauplan, and new insights on the Forelimb-Hindlimb Enigma

    Article • Journal of Experimental Zoology Part B Molecular and Developmental Evolution, December 2013, Wiley

    Rui Diogo

  26. Photographic and Descriptive Musculoskeletal Atlas of Chimpanzees: With Notes on the Attachments, Variations, Innervation, Function and Synonymy and Weight of the Muscles . By Rui Diogo, Juan F. Pastor, Eva M. Ferrero, Mercedes Barbosa, Anne M. Burrow...

    Article • The Quarterly Review of Biology, December 2013, University of Chicago Press

    Rui Diogo

  27. Development of fore- and hindlimb muscles in frogs: Morphogenesis, homeotic transformations, digit reduction, and the forelimb-hindlimb enigma

    Article • Journal of Experimental Zoology Part B Molecular and Developmental Evolution, November 2013, Wiley

    Rui Diogo

  28. Cranial Muscle Development in the Model OrganismAmbystoma mexicanum: Implications for Tetrapod and Vertebrate Comparative and Evolutionary Morphology and Notes on Ontogeny and Phylogeny

    Article • The Anatomical Record, May 2013, Wiley

    Rui Diogo

  29. The broader evolutionary lessons to be learned from a comparative and phylogenetic analysis of primate muscle morphology

    Article • Biological Reviews, March 2013, Wiley

    Rui Diogo

  30. Photographic and Descriptive Musculoskeletal Atlas of Chimpanzees

    Article • February 2013, Taylor & Francis

    Rui Diogo

  31. First comparative study of primate morphological and molecular evolutionary rates including muscle data: implications for the tempo and mode of primate and human evolution

    Article • Journal of Anatomy, January 2013, Wiley

    Rui Diogo

  32. Photographic and Descriptive Musculoskeletal Atlas of Gibbons and Siamangs (Hylobates): With Notes on the Attachments, Variations, Innervation, Synonymy and Weight of the Muscles . By Rui Diogo, Juan F. Pastor, Eva M. Ferrero, Mercedes Barbosa, Anne M...

    Article • The Quarterly Review of Biology, December 2012, University of Chicago Press

    Rui Diogo

  33. “Pollical palmar interosseous muscle” (musculus adductor pollicis accessorius): Attachments, innervation, variations, phylogeny, and implications for human evolution and medicine

    Article • Journal of Morphology, October 2012, Wiley

    Rui Diogo

  34. New, puzzling insights from comparative myological studies on the old and unsolved forelimb/hindlimb enigma

    Article • Biological Reviews, September 2012, Wiley

    Rui Diogo

  35. The Head and Neck Muscles of the Serval and Tiger: Homologies, Evolution, and Proposal of a Mammalian and a Veterinary Muscle Ontology

    Article • The Anatomical Record, September 2012, Wiley

    Rui Diogo

  36. Comparative Anatomy and Phylogeny of Primate Muscles and Human Evolution . By Rui Diogo and Bernard Wood. Enfield (New Hampshire): Science Publishers; distributed by CRC Press (Taylor & Francis Group), Boca Raton (Florida). $199.95. x + 1025 p.; ill.;...

    Article • The Quarterly Review of Biology, September 2012, University of Chicago Press

    Rui Diogo

  37. Evolution and homologies of primate and modern human hand and forearm muscles, with notes on thumb movements and tool use

    Article • Journal of Human Evolution, July 2012, Elsevier

    Rui Diogo

  38. VIOLATION OF DOLLO'S LAW: EVIDENCE OF MUSCLE REVERSIONS IN PRIMATE PHYLOGENY AND THEIR IMPLICATIONS FOR THE UNDERSTANDING OF THE ONTOGENY, EVOLUTION, AND ANATOMICAL VARIATIONS OF MODERN HUMANS

    Article • Evolution, April 2012, Wiley

    Rui Diogo

  39. A Major Reason to Study Muscle Anatomy: Myology as a Tool for Evolutionary, Developmental, and Systematic Biology

    Article • Biological Systems Open Access, January 2012, OMICS Publishing Group

    Rui Diogo

  40. Jaw Adductor Muscles across Lepidosaurs: A Reappraisal

    Article • The Anatomical Record, September 2011, Wiley

    Dr Juan D Daza, Rui Diogo

  41. En Bloc Removal of the Mandible, the Masticatory Muscles and the Mandibular Nerve in the Chimpanzee (Pan troglodytes, Blumenbach 1799), with a Review and Critique of the Methods Used to Expose the Trigeminal Musculature in Derived Primates

    Article • The Open Anatomy Journal, August 2011, Bentham Science Publishers

    Rui Diogo

  42. Muscles of Vertebrates: Comparative Anatomy, Evolution, Homologies and Development . By Rui Diogo and Virginia Abdala. Enfield (New Hampshire): Science Publishers; distributed by CRC Press, Boca Raton (Florida). $149.95. xi + 482 p.; ill.; index. ISBN...

    Article • The Quarterly Review of Biology, June 2011, University of Chicago Press

    Rui Diogo

  43. Expression of Myosin Heavy Chain Isoforms in the Supraspinatus Muscle of Different Primate Species: Implications for the Study of the Adaptation of Primate Shoulder Muscles to Different Locomotor Modes

    Article • International Journal of Primatology, March 2011, Springer Science + Business Media

    Rui Diogo

  44. Gonorynchiformes and Ostariophysan Relationships: A Comprehensive Review. By Terry Grande, Francisco José Poyato-Ariza, and Rui Diogo

    Article • Copeia, March 2011, American Society of Ichthyologists and Herpetologists (ASIH)

    Rui Diogo

  45. Evolution of the Muscles of Facial Expression in a Monogamous Ape: Evaluating the Relative Influences of Ecological and Phylogenetic Factors in Hylobatids

    Article • The Anatomical Record, March 2011, Wiley

    Rui Diogo

  46. Gonorynchiformes and Ostariophysan Relationships: A Comprehensive Review . Teleostean Fish Biology. Senior Volume Editor : Terry Grande and Volume Coeditors: Francisco José Poyato‐Ariza and Rui Diogo . Enfield (New Hampshire): Science Publishers. $149...

    Article • The Quarterly Review of Biology, December 2010, University of Chicago Press

    Rui Diogo

  47. The Head Muscles of Dipnoans—A Review on the Homologies and Evolution of these Muscles within Vertebrates

    Article • November 2010, Taylor & Francis

    Rui Diogo

  48. Comparative Anatomy, Anthropology and Archaeology as Case Studies on the Influence of Human Biases in Natural Sciences: The Origin of ‘Humans’, of ‘Behaviorally Modern Humans’ and of ‘Fully Civilized Humans’

    Article • The Open Anatomy Journal, November 2010, Bentham Science Publishers

    Rui Diogo

  49. Photographic and Descriptive Musculoskeletal Atlas of Gorilla

    Article • November 2010, Taylor & Francis

    Rui Diogo

  50. Comparative anatomy, homologies and evolution of the pectoral and forelimb musculature of tetrapods with special attention to extant limbed amphibians and reptiles

    Article • Journal of Anatomy, August 2010, Wiley

    Rui Diogo

  51. Muscles of Vertebrates

    Article • July 2010, Taylor & Francis

    Rui Diogo

  52. En Bloc Removal of the Mandible, the Trigeminal Muscles and the Mandibular Nerve in Humans

    Article • The Open Anatomy Journal, April 2010, Bentham Science Publishers

    Rui Diogo

  53. Gonorynchiformes and Ostariophysan Relationships

    Article • January 2010, Taylor & Francis

    Rui Diogo

  54. The Epibranchial Organ and Its Anatomical Environment in the Gonorynchiformes, with Functional Discussions

    Article • January 2010, Taylor & Francis

    Rui Diogo

  55. Gonorynchiform Interrelationships

    Article • January 2010, Taylor & Francis

    Rui Diogo

  56. State of the Art of Siluriform Higher-level Phylogeny

    Article • January 2010, Taylor & Francis

    Rui Diogo

  57. A Review of the Cranial and Pectoral Musculature of Gonorynchiform Fishes, with Comments on Their Functional Morphology and a Comparison with Other Otocephalans

    Article • January 2010, Taylor & Francis

    Rui Diogo

  58. Comparative phylogeography of the Yellow River schizothoracine fishes (Cyprinidae): Vicariance, expansion, and recent coalescence in response to the Quaternary environmental upheaval in the Tibetan Plateau

    Article • Molecular Phylogenetics and Evolution, December 2009, Elsevier

    Rui Diogo

  59. Origin, Evolution and Homologies of the Weberian Apparatus: A New Insight

    Article • International Journal of Morphology, June 2009, SciELO Comision Nacional de Investigacion Cientifica Y Tecnologica (CONICYT)

    Rui Diogo

  60. The head and neck muscles of the Philippine colugo (Dermoptera:Cynocephalus volans), with a comparison to tree-shrews, primates, and other mammals

    Article • Journal of Morphology, January 2009, Wiley

    Rui Diogo

  61. Teleostean Phylogeny Based on Osteological and Myological Characters

    Article • International Journal of Morphology, September 2008, SciELO Comision Nacional de Investigacion Cientifica Y Tecnologica (CONICYT)

    Rui Diogo, Ignacio Doadrio

  62. The Origin of Higher Clades: Osteology, Myology, Phylogeny and Evolution of Bony Fishes and the Rise of Tetrapods . By Rui Diogo. Enfield (New Hampshire): Science Publishers. $95.00. xix + 367 p. + 7 pl.; ill.; index. 978‐1‐57808‐437‐1. 2007.

    Article • The Quarterly Review of Biology, September 2008, University of Chicago Press

    Rui Diogo

  63. The Origin of Higher Clades. Osteology, Myology, Phylogeny and Evolution of Bony Fishes and the Rise of Tetrapods. Rui Diogo.

    Article • Integrative and Comparative Biology, June 2008, Oxford University Press (OUP)

    Rui Diogo

  64. The Origin of Higher Clades

    Article • January 2008, Taylor & Francis

    Rui Diogo

  65. Cephalic and pectoral girdle muscles of the clupeiform Denticeps clupeoides, with comments on the homologies and plesiomorphic states of these muscles within the Otocephala (Teleostei)

    Article • Animal Biology, January 2008, Brill

    Rui Diogo, Ignacio Doadrio

  66. Comparative anatomy, homologies and evolution of mandibular, hyoid and hypobranchial muscles of bony fish and tetrapods: a new insight

    Article • Animal Biology, January 2008, Brill

    Rui Diogo

  67. Development of mandibular, hyoid and hypobranchial muscles in the zebrafish: homologies and evolution of these muscles within bony fishes and tetrapods

    Article • BMC Developmental Biology, January 2008, Springer Science + Business Media

    Rui Diogo

  68. Homoplasies, Consistency Index and the Complexity of Morphological Evolution: Catfishes as a Case Study for General Discussions on Phylogeny and Macroevolution

    Article • International Journal of Morphology, December 2007, SciELO Comision Nacional de Investigacion Cientifica Y Tecnologica (CONICYT)

    Rui Diogo

  69. Osteology and Myology of the Cephalic Region and Pectoral Girdle of Heptapterus mustelinus, Comparison With Other Heptapterins, and Discussion on the Synapomorphies and Phylogenetic Relationships of the Heptapterinae and the Pimelodidae (Teleostei: Sil...

    Article • International Journal of Morphology, December 2007, SciELO Comision Nacional de Investigacion Cientifica Y Tecnologica (CONICYT)

    Rui Diogo

  70. Osteology and Myology of the Cephalic Region and Pectoral Girdle of Pangasius macronema, With a Discussion on the Synapomorphies and Phylogenetic Relationships of the Pangasiidae (Teleostei: Siluriformes)

    Article • International Journal of Morphology, September 2007, SciELO Comision Nacional de Investigacion Cientifica Y Tecnologica (CONICYT)

    Rui Diogo

  71. Prebiotic world, macroevolution, and Darwin’s theory: a new insight

    Article • Biology & Philosophy, June 2007, Springer Science + Business Media

    Dr Luis Boto, Rui Diogo, Ignacio Doadrio

  72. Age and biogeography of major clades in sturgeons and paddlefishes (Pisces: Acipenseriformes)

    Article • Molecular Phylogenetics and Evolution, March 2007, Elsevier

    Rui Diogo

  73. Comparative anatomy, homologies and evolution of the pectoral muscles of bony fish and tetrapods: A new insight

    Article • Journal of Morphology, January 2007, Wiley

    Rui Diogo

  74. MtDNA phylogeny provides evidence of generic polyphyleticism for East Asian bagrid catfishes

    Article • Hydrobiologia, December 2006, Springer Science + Business Media

    Rui Diogo

  75. Cordelia's Dilemma, Historical Bias, and General Evolutionary Trends: Catfishes as a Case Study for General Discussions on Phylogeny and Macroevolution

    Article • International Journal of Morphology, December 2006, SciELO Comision Nacional de Investigacion Cientifica Y Tecnologica (CONICYT)

    Rui Diogo

  76. Morphological Evolution, Aptations, Homoplasies, Constraints and Evolutionary Trends: Catfishes as a Case Study on General Phylogeny and Macroevolution. By Rui Diogo. Enfield (New Hampshire): Science Publishers. $122.00. x + 491 p; ill.; index. ISBN: ...

    Article • The Quarterly Review of Biology, September 2006, University of Chicago Press

    Rui Diogo

  77. Mitochondrial molecular clocks and the origin of the major Otocephalan clades (Pisces: Teleostei): A new insight

    Article • Gene, March 2006, Elsevier

    Rui Diogo

  78. Osteology and myology of the cephalic region and pectoral girdle of the South African catfish Austroglanis gilli, with comments on the autapomorphies and phylogenetic relationships of the Austroglanididae (Teleostei: Siluriformes)

    Article • Animal Biology, January 2006, Brill

    Rui Diogo

  79. Evolutionary convergences and parallelisms: &their theoretical differences and the difficulty &of discriminating them in a practical &phylogenetic context

    Article • Biology & Philosophy, September 2005, Springer Science + Business Media

    Rui Diogo

  80. Osteology and myology of the cephalic region and pectoral girdle of Pimelodus blochii , comparison with other pimelodines, and comments on the synapomorphies and phylogenetic relationships of the Pimelodinae (Ostariophysi: Siluriformes)

    Article • European Journal of Morphology, July 2005, Portico

    Rui Diogo

  81. Osteology and myology of the cephalic region and pectoral girdle of Pimelodus blochii, comparison with other pimelodines, and comments on the synapomorphies and phylogenetic relationships of the Pimelodinae (Ostariophysi: Siluriformes)

    Article • European Journal of Morphology, July 2005, Portico

    Rui Diogo

  82. Phylogeny, origin and biogeography of catfishes: support for a Pangean origin of 'modern teleosts' and reexamination of some Mesozoic Pangean connections between the Gondwanan and Laurasian supercontinents

    Article • Animal Biology, January 2004, Brill

    Rui Diogo

  83. Muscles versus bones: catfishes as a case study for a discussion on the relative contribution of myological and osteological features in phylogenetic reconstructions

    Article • Animal Biology, January 2004, Brill

    Rui Diogo

  84. Osteology and myology of the cephalic region and pectoral girdle of Batrochoglanis raninus, with a discussion on the synapomorphies and phylogenetic relationships of the Pseudopimelodinae and Pimelodidae (Teleostei: Siluriformes)

    Article • Animal Biology, January 2004, Brill

    Rui Diogo

  85. Osteology and myology of the cephalic region and pectoral girdle of Schilbe mystus and comparison with other schilbids, with comments on the monophyly and phylogenetic relationships of the Schilbidae (Teleostei: Siluriformes)

    Article • Animal Biology, January 2004, Brill

    Rui Diogo

  86. On the osteology and myology of the cephalic region and pectoral girdle of Chaca bankanensis Bleeker 1852, with comments on the autapomorphies and phylogenetic relationships of the Chacidae (Teleostei: Siluriformes)

    Article • Animal Biology, January 2004, Brill

    Rui Diogo

  87. On the osteology and myology of the cephalic region and pectoral girdle of Franciscodoras marmoratus (Lütken 1874), comparison with other doradids, and comments on the synapomorphies and phylogenetic relationships of the Doradidae (Teleostei: Silurifor...

    Article • Animal Biology, January 2004, Brill

    Rui Diogo

  88. On the osteology and myology of the cephalic region and pectoral girdle of Heteropneustes fossilis (Siluriformes: Heteropneustidae), with comments on the phylogenetic relationships between Heteropneustes and the clariid catfishes

    Article • Animal Biology, January 2003, Brill

    Rui Diogo

  89. Osteology and myology of the cephalic region and pectoral girdle of Centromochlus heckelii, comparison with other auchenipterids, and comments on the synapomorphies and phylogenetic relationships of the Auchenipteridae (Teleostei: Siluriformes)

    Article • Animal Biology, January 2003, Brill

    Rui Diogo

  90. Osteology and myology of the cephalic region and pectoral girdle of the Chinese catfishCranoglanis bouderius, with a discussion on the autapomorphies and phylogenetic relationships of the Cranoglanididae (Teleostei: Siluriformes)

    Article • Journal of Morphology, July 2002, Wiley

    Rui Diogo

  91. OSTEOLOGY AND MYOLOGY OF THE CEPHALIC REGION AND PECTORAL GIRDLE OF BUNOCEPHALUS KNERII, AND A DISCUSSION ON THE PHYLOGENETIC RELATIONSHIPS OF THE ASPREDINIDAE (TELEOSTEI: SILURIFORMES)

    Article • Netherlands Journal of Zoology, December 2001, Brill

    Rui Diogo

  92. On the osteology and myology of catfish pectoral girdle, with a reflection on catfish (Teleostei: Siluriformes) plesiomorphies

    Article • Journal of Morphology, January 2001, Wiley

    Rui Diogo

  93. Osteology and Myology of the Cephalic Region and Pectoral Girdle of Bunocephalus Knerii, and a Discussion On the Phylogenetic Relationships of the Aspredinidae (Teleostei: Siluriformes)

    Article • Netherlands Journal of Zoology, January 2001, Brill

    Rui Diogo

  94. THE STRUCTURES ASSOCIATED WITH CATFISH (TELEOSTEI: SILURIFORMES) MANDIBULAR BARBELS: ORIGIN, ANATOMY, FUNCTION, TAXONOMIC DISTRIBUTION, NOMENCLATURE AND SYNONYMY

    Article • Netherlands Journal of Zoology, December 2000, Brill

    Rui Diogo

  95. THE ORIGIN AND TRANSFORMATION OF THE PALATINE-MAXILLARY SYSTEM OF CATFISH (TELEOSTEI: SILURIFORMES): AN EXAMPLE OF MACROEVOLUTION

    Article • Netherlands Journal of Zoology, September 2000, Brill

    Rui Diogo

  96. Homologies among different adductor mandibulae sections of teleostean fishes, with special regard to catfishes (Teleostei: Siluriformes)

    Article • Journal of Morphology, February 2000, Wiley

    Rui Diogo

  97. The Origin and Transformation of the Palatine-Maxillary System of Catfish (Teleostei: Siluriformes): an Example of Macroevolution

    Article • Netherlands Journal of Zoology, January 2000, Brill

    Rui Diogo

  98. The Structures Associated With Catfish (Teleostei: Siluriformes) Mandibular Barbels: Origin, Anatomy, Function, Taxonomic Distribution, Nomenclature and Synonymy

    Article • Netherlands Journal of Zoology, January 2000, Brill

    Rui Diogo

  99. MORPHOLOGICAL DESCRIPTION OF THE CEPHALIC REGION OF BAGRUS DOCMAC, WITH A REFLECTION ON BAGRIDAE (TELEOSTEI: SILURIFORMES) AUTAPOMORPHIES

    Article • Netherlands Journal of Zoology, September 1999, Brill

    Rui Diogo

  100. Morphological Description of the Cephalic Region of Bagrus Docmac, With a Reflection On Bagridae (Teleostei: Siluriformes) Autapomorphies

    Article • Netherlands Journal of Zoology, January 1999, Brill

    Rui Diogo