Affiliation: | (1) Radiology Department, Faculty of Medicine, Cairo University, Cairo, Egypt;(2) Dr Erfan and Bagedo General Hospital, Jeddah, Saudi Arabia;(3) Rheumatology and Rehabilitation Department, Faculty of Medicine, Cairo University, Cairo, Egypt;(4) Rheumatology and Rehabilitation Department, Suez Canal University, Ismailia, Egypt;(5) University of Twente, Enschede, The Netherlands |