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Authors
Kumagai, Gentaro https://orcid.org/0000-0003-0597-6603
Wada, Kanichiro
Kudo, Hitoshi
Tanaka, Sunao
Asari, Toru
Chiba, Daisuke
Ota, Seiya
Takeda, On
Koyama, Kazushige
Oyama, Tetsushi
Nakaji, Shigeyuki
Ishibashi, Yasuyuki
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Article History
Received: 14 April 2020
Accepted: 10 December 2020
First Online: 5 January 2021
Ethics approval and consent to participate
: We informed the remaining 1,122 subjects (426 men and 696 women), verbally and in writing, about the study’s purpose and methods, explained that their anonymity would be protected and that they could withdraw from the study at any time, and obtained their written consent for participation in the study. Informed consent, written or verbal, was obtained from all participants.
: No
