1. Department of Spinal Surgery Orthopedic Hospital of Xingtai Xingtai Hebei China
2. Department of Pediatrics First Hospital of Xingtai Xingtai Hebei China
3. Department of Orthopedic and Trauma Surgery Orthopedic Hospital of Xingtai Xingtai Hebei China
4. Department of Orthopedics First Hospital of Xingtai Xingtai Hebei China