Tsubota, Hideki
Sakaguchi, Genichi
Marui, Akira
Article History
Received: 13 November 2019
Accepted: 23 March 2020
First Online: 30 March 2020
Ethics approval and consent to participate
: The Institutional Review Board at Kokura Memorial Hospital approved this study.
: The need for patient consent was waived.
: None of the authors have any competing interests to declare.