Sato, Masami
Yanagisawa, Tsutomu
Minamino, Sonoko
Arai, Toshiyuki
Article History
Received: 5 October 2020
Revised: 2 November 2020
Accepted: 10 November 2020
First Online: 21 November 2020
Ethics approval and consent to participate
: This study was approved by the institutional ethics committee of Kyoto City Hospital (approval no. 514) and the requirement for informed consent was waived according to the retrospective nature of the study.
: Not applicable
: The authors declare that they have no competing interests