Ishigaki, Tomonobu
Yoshino, Koichiro
Hirokawa, Motoki
Sugawara, Makoto
Yamanaka, Masanori
Article History
Received: 22 March 2021
Accepted: 25 February 2022
First Online: 11 March 2022
Declarations
:
: The Institutional Review Board of Hokkaido University approved all procedures, methods, and purposes of this study. Before the examination, we explained to the subjects the purpose of this study and the procedures to be carried out and written informed consent was obtained from all participants. All procedures were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors have no potential conflicts of interest to declare.