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Article History

Received: 2 December 2020

Accepted: 30 April 2021

First Online: 3 June 2021

Declarations

:

: The authors declare that they have no competing interests.

: All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the Declaration of Helsinki. The study protocol was approved by the Institutional Review Board of Tohoku University School of Medicine (approval number: 2015-1-483).

: All patients provided informed consent to participate in the study and underwent all study procedures.