1. Department of Rheumatology, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
2. Department of Rheumatology, Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
3. Department of Pediatrics, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
4. Department of Orthopedic Surgery, Second School of Clinical Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China