1. Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University
2. Department of Pediatric Orthopedics, Shenzhen Children’s Hospital, Shenzhen
3. Department of Pediatric Orthopaedics, Foshan Hospital of Traditional Chinese Medicine, Foshan
4. Department of Pediatric Orthopaedics, Children’s Hospital of Chongqing Medical University, Chongqing
5. Department of Pediatric Orthopaedics, Hunan Children’s Hospital, Hunan
6. Department of Pediatric Orthopaedics, Guangzhou Women and Children’s Medical Center, GuangZhou Medical University, Guangzhou
7. Department of Pediatric Orthopaedics, Lille University Center, Jeanne de Flandre Hospital, Lille cedex, France
8. Department of Pediatric Orthopaedics, FuZhou Second Hospital, FuZhou, China