Sasaki, Sachiko
Nakamura, Koshi
Ukawa, Shigekazu
Okada, Emiko
Amagasa, Shiho
Inoue, Shigeru
Kimura, Takashi
Yoshimura, Aya
Tanaka, Aya
Nakagawa, Takafumi
Imae, Akihiro
Tamakoshi, Akiko
Article History
Received: 19 July 2021
Accepted: 9 December 2021
First Online: 3 January 2022
Declarations
:
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional research committee and with the Declaration of Helsinki.This study was approved by the institutional ethical board for epidemiological studies of Hokkaido University Graduate School of Medicine, approval number [18–018]. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.