1 Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China.
2 Department of Rheumatology, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
3 Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China.
4 WHO Collaborating Centre for Guideline Implementation and Knowledge Translation, Lanzhou, China.
5 Department of Orthopaedics, Peking University People's Hospital, Beijing, China.
6 Veterans General Hospital, Taipei and National Yang-Ming Medical University, Taipei.
7 Department of Rheumatology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
8 Department of Internal Medicine, Kaohsiung Medical College, Kaohsiung City.
9 Department of Rheumatology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
10 Department of Rheumatology and Immunology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
11 Department of Rheumatology, West China Hospital, Sichuan University, Chengdu, China.
12 Department of Rheumatology, Second Xiangya Hospital, Central South University, Changsha, China.
13 Shenzhen Futian Hospital for Rheumatic Diseases, Shenzhen, China.
14 Division of Arthritis and Rheumatic Diseases, Oregon Health & Science University and VA Portland Health Care System, Portland, OR, USA.
15 Department of Rheumatology and Immunology, the First Hospital of Xi'an Jiaotong University, Xi'an, China.
16 Department of Rheumatology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
17 Department of Rheumatology, People's Hospital of Xinjiang Uygur Autonomous Region, Urumchi, China.
18 Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China.
19 Department of Rheumatology and Immunology, the First Affiliated Hospital of China Medical University, Beijing, China.
20 Department of Rheumatology, Peking University People's Hospital, Beijing, China.
21 Department of Osteoarthrosis, Affiliated Drum Tower Hospital, Nanjing University Medical College, Nanjing, China.
22 Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China.
23 Department of Rheumatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
24 Department of Paediatrics and Adolescent Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China.
25 Department of Rehabilitation Medicine, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China.
26 Department of Orthopedics, Beijing Jishuitan Hospital, Beijing, China.
27 Department of Rheumatology and Immunology, Shanghai Guanghua Hospital, Shanghai, China.
28 Department of Rheumatology and Immunology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.
29 Academic Rheumatology, University of Nottingham, Nottingham, UK.