Muroga, Koji http://orcid.org/0000-0003-2422-4933
Ichikawa, Katsuhiro
Maruyama, Atsunori
Ihara, Nobumaro
Article History
Received: 7 June 2020
Accepted: 29 October 2020
First Online: 22 November 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the institutional ethics review board of Nagano Red Cross Hospital.
: Informed consent was obtained from all individual participants included in the study.