1 Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Botnar Research Centre, University of Oxford, Oxford, United Kingdom.
2 Department of Biology and Biotechnology "Charles Darwin", Sapienza University of Rome, Rome, Italy.
3 Unit of Rheumatology, Department of Medicine, DIMED, University of Padua, Padua, Italy.
Keywords:
ankylosing spondylitis; family based association; gender; genetic; polygenic risk score; single nucleotide polymorphisms; spondyloarthropathy.