1. Department of Gastrointestinal Surgery, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China;
2. Department of Musculoskeletal Oncology, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China;
3. Department of Radiology, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China;
4. Department of Pediatric Surgery, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China;
5. Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China