1. Department of Orthopedics, Spine Surgery, The Second Affiliated Hospital of Naval Medical University, Shanghai, China
2. Minimally invasive Spinal Surgery department, The Sixth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
3. Department of Spine Surgery, The Affiliated Changshu Hospital of Xuzhou Medical School, The Second People's Hospital of Changshu, Changshu, China