Takubo, Akihito
Ryu, Keinosuke
Iriuchishima, Takanori
Nagaoka, Masahiro
Tokuhashi, Yasuaki
Aizawa, Shin
Article History
Received: 16 December 2019
Accepted: 13 May 2020
First Online: 22 May 2020
Ethics approval and consent to participate
: This study has been approved by the ethics committee of Nihon University School of Medicine. The IRB number was 20–14.
: Not applicable.
: The authors declare that they have no competing interests.