Text and Data Mining valid from 2020-02-06
Received: 2 October 2019
Accepted: 3 February 2020
First Online: 6 February 2020
Ethics approval and consent to participate
: The study was approved by the ethics committee of Kanazawa University, and written informed consent was obtained from all patients before surgical treatment.
: Not applicable.
: The author declare that they have no conflict of interest.