1 Inner Mongolia Medical University, Department of Pediatric Orthopedics, The Second Affiliated Hospital of Inner Mongolia Medical University, Huhehot Yingfang Road, Inner Mongolia, 010030, China.
2 Inner Mongolia Medical University, Department of Pediatric Orthopedics, The Second Affiliated Hospital of Inner Mongolia Medical University, Huhehot Yingfang Road, Inner Mongolia, 010030, China. Electronic address: liuwanlin88@126.com.
3 Inner Mongolia Medical University, Department of Orthopedics, Affiliated Hospital of Inner Mongolia Medical University, Huhehot North Street, Inner Mongolia, 010050, China.