Yano, Toshiyuki
Imaizumi, Takashi
Matsu-ura, Hidemi
Takahashi, Tomoki
Article History
Received: 15 May 2020
Accepted: 14 August 2020
First Online: 21 August 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of our institute and the requirement for informed consent was waived according to the nature of the study (approval number: JMC270-1831).
: Not applicable.
: The authors declare that they have no competing interests.