Iuchi, Hitoshi
Sugimoto, Masahiro
Tomita, Masaru
Funding for this research was provided by:
research funds from the Yamagata Prefectural Government and by research funds from Tsuruoka City, Japan
Article History
Received: 12 October 2017
Accepted: 20 June 2018
First Online: 28 June 2018
Ethics approval and consent to participate
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: The authors declare that they have no competing interests.
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