Received: 3 December 2021
Accepted: 4 May 2022
First Online: 13 May 2022
: This study was performed in line with the principles of the Declaration of Helsinki. The Institutional Review Boards at Kitasato University School of Medicine, Kitasato University Medical Center, Kitasato University Kitasato Institute Hospital, Kanagawa Prefectural Federation of Agricultural Cooperatives for Health and Welfare Sagamihara Kyodo Hospital, Higashiyamato Hospital and National Hospital Organization Sagamihara Hospital approved this study, including the request to waive documentation of informed consent (B15-25).
: Not applicable.
: The authors declare that they have no competing interests.