Received: 3 February 2021
Accepted: 31 May 2021
First Online: 12 June 2021
: This study was approved by the Ethics Committee and Institutional Review Board of West China Hospital, Sichuan University (2012–268). Informed consent was obtained from each patient or (dead) patient’s next of kin or legally authorization representative of the patient. All methods were performed according to relevant guidelines and regulations.
: All patients provided consent to participate in current study, per our institution’s standard for research consent forms, this consent specified that the research information obtained may be used for publication.
: The corresponding author Dr. Zongke Zhou is a member of the editorial board of BMC Musculoskeletal Disorders, the rest of authors declare they have no competing interests.