Srithumsuk, Werayuth
Kabayama, Mai
Godai, Kayo
Klinpudtan, Nonglak
Sugimoto, Ken
Akasaka, Hiroshi
Takami, Yoichi
Takeya, Yasushi
Yamamoto, Koichi
Yasumoto, Saori
Gondo, Yasuyuki
Arai, Yasumichi
Masui, Yukie
Ishizaki, Tatsuro
Shimokata, Hiroshi
Rakugi, Hiromi
Kamide, Kei
Funding for this research was provided by:
Ministry of Education, Culture, Sports, Science, and Technology of Japan (19K07888, 19K11138)
Ministry of Health, Labour and Welfare
Article History
Received: 1 July 2020
Accepted: 17 August 2020
First Online: 1 September 2020
Ethics approval and consent to participate
: The SONIC research was approved by the Osaka University Graduate School of Medicine, Dentistry, and Human Sciences (Osaka, Japan) and the Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology (Tokyo, Japan) Institutional Review Board. Before beginning the survey, informed consent was obtained from all study participants on-site. Anonymity was ensured.
: Not applicable.
: The authors declare that they have no competing interests.