1 Department of Orthopaedics, Xiangya Hospital, Xiangya Hospital Central South University, Changsha, China.
2 Department of Ultrasonography, Xiangya Hospital Central South University, Changsha, China.
3 Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham, United Kingdom of Great Britain and Northern Ireland.
4 Pain Centre Versus Arthritis UK, University of Nottingham, Nottingham, United Kingdom of Great Britain and Northern Ireland.
5 Health Management Center, Xiangya Hospital Central South University, Changsha, China.
6 Division of Rheumatology, Allergy, and Immunology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, United States.
7 The Mongan Institute, Massachusetts General Hospital, Harvard Medical School, Boston, United States.
8 Department of Orthopaedics, Xiangya Hospital Central South University, Changsha, China.
9 Hunan Key Laboratory of Joint Degeneration and Injury, Xiangya Hospital Central South University, Changsha, China.
10 National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Central South University, Changsha, China.
11 Musculoskeletal Research Unit, Bristol Medical School, University of Bristol, Bristol, United Kingdom of Great Britain and Northern Ireland.
12 Department of Health and Care Professions, Faculty of Health and Life Sciences, University of Exeter, Exeter, United Kingdom of Great Britain and Northern Ireland.
13 Department of Epidemiology and Health Statistics, Central South University Xiangya School of Public Health, Changsha, China.