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Conflict of Interest: HK’s laboratory is supported by a donation from Fukuda
Lifetech Co., Ltd., Fukuda Life Tech Keiji Co., Ltd., Tanaka Sleep Clinic, Akita
Sleep Clinic, and Ai Care Co., Ltd. to the Shiga University of Medical Science. HK
received a grant from Merck Sharp & Dohme Corp/MSD K.K. (the InvestigatorInitiated Studies Program). The opinions expressed in this paper are those of
the authors and do not necessarily represent those of Merck Sharp & Dohme
Corp/MSD K.K. KF, TY, and MK participate in Quadlytics Inc.
The remaining authors declare that the research was conducted in the absence of
any commercial or financial relationships that could be construed as a potential
conflict of interest.
Copyright © 2020 Sumi, Nakayama, Kadotani, Matsuo, Ozeki, Kinoshita, Goto,
Kano, Yamakawa, Hasegawa-Ohira, Ogawa and Fujiwara. This is an open-access
article distributed under the terms of the Creative Commons Attribution License (CC
BY). The use, distribution or reproduction in other forums is permitted, provided
the original author(s) and the copyright owner(s) are credited and that the original
publication in this journal is cited, in accordance with accepted academic practice.
No use, distribution or reproduction is permitted which does not comply with these
terms.
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