Article History
Received: 1 August 2018
Accepted: 1 November 2018
First Online: 13 November 2018
Ethics approval and consent to participate
: This study was approved by the Human Research Ethics Committee of the School of Rehabilitation Sciences, Health Sciences University of Hokkaido (Authorization number, 16R031030).
: Not applicable.
: The authors declare that they have no competing interests.
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