Miyamoto, Ryoichi http://orcid.org/0000-0003-0687-6225
Sano, Naoki
Maeda, Michihiro
Inagawa, Satoshi
Ohkohchi, Nobuhiro
Article History
Received: 8 October 2018
Accepted: 6 August 2019
First Online: 13 August 2019
Compliance with Ethical Standards
: The ethics committee of the Tsukuba Medical Center Hospital approved this study.
: The authors declare that they have no conflicts of interest.