title: Editorial The Role of Surgery in Osteoarthritis, Rheumatoid Arthritis and Ankylosing Spondylitis.
authors.affiliation: University College London Institute of Orthopaedics and Musculoskeletal Sciences, Royal National Orthopaedic Hospital, Stanmore, Middlesex, HA7 4LP, UK.
authors.forename: W S
authors.initials: WS
authors.lastname: Khan
authors.affiliation: Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128 Trigoria, Rome, Italy.
authors.forename: U G
authors.initials: UG
authors.lastname: Longo