1. Department of Orthopedics, Hunan Provincial People’s Hospital, Changsha, Hunan Province, China;
2. Department of Orthopedics, Xinsha Nianlun Orthopedic Hospital, Changsha, Hunan Province, China;
3. Department of Orthopedics, Huarong County People’s Hospital, Huarong, Hunan Province, China;
4. School of Medicine, Hunan Normal University, Changsha, Hunan Province, China