Funding for this research was provided by:
Japanese Physical Therapy Association Research Grant (2017)
Text and Data Mining valid from 2019-12-01
Received: 2 September 2019
Accepted: 5 December 2019
First Online: 12 December 2019
Ethics approval and consent to participate
: Written informed consent was obtained from all subjects. The study was approved by the Ethics Committee of the Niigata University of Health and Welfare, Niigata, Japan (17678).
: Not applicable.
: The authors declare that they have no competing interests.