Kaneko, Shuzo
Yamagata, Kunihiro http://orcid.org/0000-0002-7407-0410
Usui, Joichi
Tsuboi, Naotake
Sugiyama, Hitoshi
Maruyama, Shoichi
Narita, Ichiei
Article History
Received: 18 August 2021
Accepted: 1 October 2021
First Online: 13 October 2021
Declarations
:
: All the authors have declared no competing interest.
: The data for this survey obtained from the patients’ medical records were anonymized for personal information so that the patients cannot be identified. Informed consent was obtained from all individual patients included in the study. Each participating facility disclosed the purpose of the survey, method, survey period, survey contents, and privacy protection, and they provided all registered patients an opportunity to opt out.