1 Department of Pediatric, Inner Mongolia Medical University Hospital, HohhotNorth Street, Inner Mongolia, 010000, China.
2 Department of Pediatric, Inner Mongolia Medical University Hospital, HohhotNorth Street, Inner Mongolia, 010000, China. Electronic address: dcmxcz@126.com.
3 Department of Orthopedics, Affiliated Hospital of Inner Mongolia Medical University, HohhotNorth Street, Inner Mongolia, 010000, China.