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Authors
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Funding
Funding for this research was provided by:
Japan Society for the Promotion of Science (19K19880)
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Article History
Received: 26 June 2020
Accepted: 28 March 2021
First Online: 6 April 2021
Declarations
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: The study was approved by the Research Ethics Board of the International University Health and Welfare Mita Hospital, Minato-ku, Tokyo, Japan. All study procedures were carried out in accordance with ethical standards (Registration no. 5-15-1) as well as the Declaration of Helsinki.
: All the participants were informed about the research and agreed to participate voluntarily.
: Not applicable
: The authors declare no competing interests.
