Document is current
Any future updates will be listed below
-
Authors
Nikkuni, Etsuhiro
Hirama, Takashi http://orcid.org/0000-0002-9390-5057
Hayasaka, Kazuki
Kumata, Sakiko
Kotan, Shinichi
Watanabe, Yui
Oishi, Hisashi http://orcid.org/0000-0002-1381-6362
Niikawa, Hiromichi
Kohzuki, Masahiro
Okada, Yoshinori http://orcid.org/0000-0001-7739-7657
- License Information
-
More Information
Article History
Received: 1 November 2020
Accepted: 18 February 2021
First Online: 16 April 2021
Ethics approval and consent to participate
: All methods were performed in accordance with the Declaration of Helsinki. In light of the retrospective design, the requirement of informed consent was waived and the study protocol was approved by the Ethics Committee Tohoku University Graduate School of Medicine (Institutional Review Board number 2020-1-388). We disclosed information on the implementation of the research and ensured the opportunity for research subjects to refuse participation by posting the information disclosure materials approved by the Ethics Committee on the website of the Graduate School of Medicine, Tohoku University.
: Not applicable.
: The authors declare no competing interests.
