Funding for this research was provided by:
Grant-in-Aid for Young Scientists B from Japan Society for the Promotion of Science (17K18114)
Grant of Japan Orthopaedics and Traumatology Research Foundation, Inc (No.399)
Grant-in-Aid for Young Scientists from Japan Society for the Promotion of Science (19K18544)
Received: 30 September 2020
Accepted: 18 March 2021
First Online: 26 March 2021
: This study was conducted with the approval of the ethics committee of Yamanashi Red Cross Hospital.
: Patients signed informed consent regarding publishing their data. Written informed consent was obtained prior to any study-related procedures.
: The authors declare that they have no competing interest.