1. Department of Orthopedics Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
2. Department of Pediatric Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
3. Department of Trauma and Reconstructive Surgery Siegfried Weller Research Institute BG Trauma Center Tübingen University of Tübingen Tübingen Germany