1. Department of Orthopedic, The Third Affiliated Hospital of Southern Medical University, Orthopaedic Hospital of Guangdong ProvinceThe Third Clinical Medical College of Southern Medical UniversityGuangzhouChina
2. Department of Spine SurgeryGuangdong Second Provincial General Hospital, 510317GuangzhouChina
3. Department of OrthopedicGuangdong No. 2 Provincial People's Hospital of Southern Medical UniversityGuangzhouChina
4. Department of Orthopedic, Traditional Chinese Medicine Hospital of Puning CityOrthopaedic Hospital of Puning CityPuningChina
5. Department of Orthopedic, Guangdong No. 2 Provincial People's Hospital of Southern Medical UniversityThe Third Clinical Medical College of Southern Medical UniversityGuangzhouChina