Received: 16 November 2017
Accepted: 2 April 2018
First Online: 11 April 2018
Ethics approval and consent to participate
: All procedures used in this study were approved by the Committee for Human Experimentation at the Graduate School of Human and Environmental Studies, Kyoto University and the Research Ethics Committee of Chukyo University, and were in accordance with the Declaration of Helsinki.Our study is approved by Chukyo University showed it in Methods.
: The subjects gave written informed consent for the study after receiving a detailed explanation of the purposes, potential benefits, and risks associated with participation.
: The authors declare that they have no competing interests.
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