Watanabe, Takanori http://orcid.org/0000-0001-8375-7161
Yamaguchi, Takuhiro
Tohno, Eriko
Tsunoda, Hiroko
Kaoku, Setsuko
Ban, Kanako
Watanabe, Ryoji
Umemoto, Takeshi
Hirokaga, Koichi
Ito, Toshikazu
Article History
Received: 18 July 2020
Accepted: 6 November 2020
First Online: 3 January 2021
Compliance with ethical standards
:
: The authors have no conflicts of interest to declare.
: The institutional review board or the ethics committee at each hospital approved this study.