1. Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, P.R. China
2. Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, P.R. China
3. Department of Orthopedics, Jin Tang Hospital, West China Hospital, Sichuan University, Chengdu, P.R. China
4. Animal Experimental Center, West China Hospital, Sichuan University, Chengdu, P.R. China