Sugawara, Yuka
,
Iwagami, Masao
Kikuchi, Kan
Yoshida, Yoko
Ando, Ryoichi
Shinoda, Toshio
Ryuzaki, Munekazu
Nakamoto, Hidetomo
Sakai, Ken
Hanafusa, Norio
Kashihara, Naoki
Nangaku, Masaomi
Funding for this research was provided by:
Ministry of Health, Labour and Welfare (20CA2042)
Article History
Received: 6 April 2021
Accepted: 24 May 2021
First Online: 29 May 2021
Declarations
:
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the ethics committee of the JSN (Approval No. 80) and with the 2013 Helsinki Declaration. Informed consent was not necessary because this study was a facility-based survey that did not require information of individual patients. Therefore, the need for written informed consent was waived. This article does not contain any studies with animals performed by any of the authors.
: Not applicable.
: The authors declare that they have no competing interests.