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Authors
Kubota, Akio https://orcid.org/0000-0003-0561-6480
Matsushita, Munehiro
Smith, Ben J.
Sugiyama, Takemi
Arao, Takashi
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Funding
Funding for this research was provided by:
Japan Society for the Promotion of Science (JP24300232)
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Article History
Received: 6 November 2018
Accepted: 10 June 2019
First Online: 18 June 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Waseda University Ethics Committee prior to the study (No. 2012–179, 05/10/2012). We obtained informed written consent from participants who agreed to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.
