1. First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
2. Department of Joint Surgery, Chongqing Medical University, Chongqing, China.
3. Department of Cardiovasology, Chongqing Medical University, Chongqing, China.
4. School of Public Health & Management, Chongqing Medical University, Chongqing, China.