Ito, Tatsuya
Tsukahara, Kiyoaki
Sato, Hiroki
Shimizu, Akira
Okamoto, Isaku
Article History
Received: 21 December 2020
Accepted: 9 June 2021
First Online: 28 June 2021
Declarations
:
: We have no conflicts of interest to disclose in relation to this manuscript.
: This study was conducted in accordance with the Declaration of Helsinki and Ethical Guidelines for Clinical Research. This study was approved (approval no. 2016–058) by the Research Ethics Committee of Tokyo Medical University Hospital. Informed consent was obtained from all patients or, if patients are under 16, from a parent and/or legal guardian.
: Not applicable.
: The authors declare that they have no competing interests.