1. Department of Orthopaedic Hainan Province Hospital of Traditional Chinese Medicine Haikou Hainan China
2. Center for Orthopaedic Surgery, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases The Third Affiliated Hospital of Southern Medical University Guangzhou Guangdong China
3. Department of Spine Surgery Second Affiliated Hospital of Shantou University Medical College Shantou Guangdong China
4. Department of Spinal Surgery Southern Medical University Nanfang Hospital Guangzhou Guangdong China