[1] Cairo University,Department of Medicine, Faculty of Medicine
[2] Royal Hospital,Mongi Slim University Hospital
[3] Hamad-Medical Corporation,Leeds Institute of Molecular Medicine
[4] Wilgeheuwel Hospital,National Institute for Health Research Leeds Musculoskeletal Biomedical Research Unit
[5] Kuwait University,undefined
[6] Farhat Hached Hospital,undefined
[7] Tunis El Manar University,undefined
[8] Security Forces Hospital,undefined
[9] Al Mafraq Hospital,undefined
[10] Dubai Hospital,undefined
[11] Riyadh Military Hospital,undefined
[12] University of Pretoria,undefined
[13] Red Cross Hospital,undefined
[14] Douera Hospital,undefined
[15] Sheikh Khalifa Medical Center,undefined
[16] Shmeisani Hospital,undefined
[17] Westville Hospital,undefined
[18] American University of Beirut,undefined
[19] Al Biraa Arthritis & Bone Clinic,undefined
[20] Mubarak Hospital,undefined
[21] Vincent Pallotti Hospital,undefined
[22] University of Leeds,undefined
[23] Leeds Teaching Hospitals Trust,undefined