1 Department of Orthopaedic Surgery, Tianjin Hospital, No. 406 Jiefang South Road, Hexi District, 300211, Tianjin, China2 Department of Traumatic Orthopaedics, Tianjin Hospital, Tianjin, China3 Department of Orthopaedic Surgery, Second Affiliated Hospital of Soochow University, Suzhou, China4 Department of Orthopaedic Surgery, Clinical College of Orthopaedics, Tianjin Medical University, Tianjin, China