1. Academic Rheumatology Department, Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, Nottingham, UK
2. MRC Integrative Epidemiology Unit, Bristol Medical School (PHS), University of Bristol, Bristol, UK
3. Division of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
4. Division of Rheumatology, Allergy, and Immunology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, MA, USA
5. Health Management Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
6. Arthritis Research UK Primary Care Centre, Research Institute for Primary Care and Health Sciences, Keele University, Keele, UK
7. Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan
8. Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan
9. National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China