1. Department of Cell Biology and Genetics, Core Facility of Development Biology, Chongqing Medical University, Chongqing, China
2. Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, China
3. Laboratory of Reproductive Biology, Chongqing Medical University, Chongqing, China
4. Departments of Orthopaedic Surgery and Cell Biology, New York University School of Medicine, New York, NY, USA