1. Department of Orthopedic Surgery, Heze City Hospital, Heze city, Shandong province, China
2. Department of Head and Neck Oncology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong Province, China
3. Department of Orthopedics, Xianyang Hospital of Yan’an University, Xianyang city, Shanxi province, China