Government of the People's Republic of China - Department of Orthopaedics, National Clinical Research Center for Geriatrics Diseases - State Key Laboratory of Kidney Diseases, Government of the People's Republic of China - Department of Orthopaedics, Government of the People's Republic of China - Department of Orthopaedics, University of Tennessee, Knoxville, Government of the People's Republic of China - Department of Orthopaedics, Government of the People's Republic of China - Department of Orthopaedics, Government of the People's Republic of China - Department of Orthopaedics, Beijing Municipal Health Commission Information Center, Beijing Municipal Health Commission Information Center, Beijing Municipal Health Commission Information Center, Beijing Center for Diseases Prevention and Control, Statistics Center, Beijing Research Center for Preventive Medicine - Beijing Center for Disease Prevention and Control, Government of the People's Republic of China - Chinese PLA General Hospital, Government of the People's Republic of China - Department of Orthopaedics, Government of the People's Republic of China - Chinese PLA General Hospital, Government of the People's Republic of China - Department of Orthopaedics, Government of the People's Republic of China - Department of Orthopaedics, Renmin University of China - School of Statistics, Renmin University of China - School of Statistics, Renmin University of China - School of Statistics, Chinese Academy of Sciences (CAS) - Shenzhen Institute of Advanced Technology, Government of the People's Republic of China - Department of Ultrasound, Northwestern University - Division of Biostatistics and Government of the People's Republic of China - Department of Orthopaedics

Government of the People's Republic of China - Department of Orthopaedics, Government of the People's Republic of China - Department of Orthopaedics, National Clinical Research Center for Geriatrics Diseases - State Key Laboratory of Kidney Diseases, Government of the People's Republic of China - Department of Orthopaedics, Government of the People's Republic of China - Department of Orthopaedics, Government of the People's Republic of China - Department of Orthopaedics, Government of the People's Republic of China - Department of Orthopaedics, Beijing Municipal Health Commission Information Center, Beijing Municipal Health Commission Information Center, Beijing Municipal Health Commission Information Center, Beijing Center for Diseases Prevention and Control, Statistics Center, Beijing Research Center for Preventive Medicine - Beijing Center for Disease Prevention and Control, Government of the People's Republic of China - Chinese PLA General Hospital, Government of the People's Republic of China - Department of Orthopaedics, Government of the People's Republic of China - Department of Orthopaedics, Government of the People's Republic of China - Department of Orthopaedics, Renmin University of China - School of Statistics, Renmin University of China - School of Statistics, Renmin University of China - School of Statistics, Government of the People's Republic of China - Department of Ultrasound, Chinese Academy of Sciences (CAS) - Shenzhen Institute of Advanced Technology, Northwestern University - Division of Biostatistics and Government of the People's Republic of China - Department of Orthopaedics

Harbin Engineering University, Heilongjiang University of Chinese Medicine, Government of the People's Republic of China - Department of Orthopaedics, affiliation not provided to SSRN, Harbin Institute of Technology, Harbin Institute of Technology and Harbin Engineering University