Funding for this research was provided by:
Japan Society for the Promotion of Science (Topic-Setting Program to Advance Cutting-Edge Humanities and Social Sciences Research Area Cultivation (#D-4))
Article History
Accepted: 15 May 2021
First Online: 21 May 2021
Declarations
:
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be constructed as a potential conflict of interest.
: This study was reviewed and approved by the ethics committees at Kobe University. The participants provided written informed consent at the beginning of the study. All responses were kept confidential.