Funding for this research was provided by:
Ministry of Health, Labour and Welfare (Ministry of Health Labor and Welfare, health and welfare for persons with disabilities promotion project, Japan (2007), Health and Labor Sciences Research Grant (2006-2016))
Article History
First Online: 24 February 2020
Compliance with Ethical Standards
:
: Conflict of Interest: The authors declare that they have no conflict of interest.
: The procedures performed in studies involving human participants were approved by the St. Luke’s College of Nursing Ethical Committees (2006–2014)and the St. Luke’s International University Ethical Committees (2014–2017).