1. Department of Microsurgery, Orthopaedic Trauma and Hand Surgery, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
2. Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
3. Department of Orthopedic Surgery and Hansjörg Wyss Department of Plastic Surgery, New York University School of Medicine, New York, USA