Miyawaki, Yutaka http://orcid.org/0000-0001-7141-2473
Sato, Hiroshi
Oya, Shuichiro
Sugita, Hirofumi
Hirano, Yasumitsu
Sakuramoto, Shinichi
Okamotom, Kojun
Yamaguchim, Shigeki
Koyama, Isamu
Article History
Received: 2 November 2020
Accepted: 11 June 2021
First Online: 23 June 2021
Declarations
:
: All procedures were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. The study’s retrospective protocol was approved by the Institutional Review Board of Saitama Medical University International Medical Center (IRB number 19–002); the need for informed consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.