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Authors
Murayama, Hiroshi http://orcid.org/0000-0003-2991-7763
Amagasa, Shiho
Inoue, Shigeru
Fujiwara, Takeo
Shobugawa, Yugo
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Funding
Funding for this research was provided by:
Ministry of Agriculture, Forestry and Fisheries (NA)
Pfizer Health Research Foundation (NA)
Japan Society for the Promotion of Science (16H03249, 17K19794, 18K10829, 19H03910)
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Article History
Received: 18 July 2019
Accepted: 27 September 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the Ethical Committees of Niigata University and Tokyo Medical University. Immediately before the baseline survey, we directly informed participants of the study purpose, method, survey items, and merits of participation. All participants gave written consent to participate in this study.
: All participants provided written consent for publication.
: The authors declare that they have no competing interests.
