1. Health Management Center, Xiangya Hospital, Central South University, Changsha, China (J.W.)
2. Division of Rheumatology, Allergy, and Immunology, Department of Medicine, and the Mongan Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts (H.K.C., Y.Z.)
3. Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts (T.N.)
4. Department of Medicine, University of Auckland, Auckland, New Zealand (N.D.)
5. Rheumatology, Allergy-Immunology Section, San Diego VA Medical Center, San Diego, California (R.T.)
6. Department of Medicine, University of Otago, Christchurch, New Zealand (L.K.S.)
7. Department of Orthopedics, General Hospital of Chinese PLA, Beijing, and Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China (H.L.)
8. Division of Rheumatology, Allergy, and Immunology, Department of Medicine, and the Mongan Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, and Arthritis Research Canada, Richmond, British Columbia, Canada (N.M.)
9. Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas (J.N.)
10. Department of Orthopaedics, Xiangya Hospital, Central South University, and Hunan Key Laboratory of Joint Degeneration and Injury, and National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China (C.Z.)
11. Department of Orthopaedics, Xiangya Hospital, Central South University, and National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, and Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, China (G.L.).