1. Guangdong Provincial Key Laboratory of Bone & Cartilage Regenerative Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
2. Department of Orthopaedics & Traumatology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
3. 8th Department of Orthopaedics, Foshan Hospital of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine, PR China