1. Department of Orthopedics, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan, China.
2. Department of Orthopedics, Navy General Hospital, Chinese People's Liberation Army, Beijing, China.
3. Lab for Aging Research, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China.
4. Molecular Medicine Research Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China.