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Authors
Edakubo, Shunsuke
Fushimi, Kiyohide https://orcid.org/0000-0002-1894-0290
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Funding
Funding for this research was provided by:
Ministry of Health, Labour and Welfare (H30-Seisaku-Shitei-004)
Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province (15K00838)
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Article History
Received: 2 August 2019
Accepted: 8 January 2020
First Online: 13 January 2020
Ethics approval and consent to participate
: The study was approved by the institutional review board at Tokyo Medical and Dental University. Because of the anonymous nature of the data, the board waived the requirement for informed patient consent.
: Not applicable.
: The authors declare that they have no competing interests.
