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Article History

Received: 31 August 2018

Accepted: 29 October 2018

First Online: 21 November 2018

Ethics approval and consent to participate

: This study was approved by the Ethical Committee of Mukogawa Women’s University, and written informed consent was obtained from each participant after a detailed explanation of the study protocol was provided.

: Not applicable.

: The authors declare that they have no competing interests.

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