Funding for this research was provided by:
JPTS KAKENHI (16K21348)
Article History
Received: 21 September 2018
Accepted: 20 November 2018
First Online: 30 November 2018
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: All procedures that involved human participants in this study were performed in accordance with the ethical standards of the Institutional Review Board of the School of Allied Health Sciences at Kitasato University (approval number 2016-G021B) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all participants.