Funding for this research was provided by:
Scientific Research on Health Labor Sciences (201328010A)
Article History
Received: 3 November 2018
Accepted: 12 June 2019
First Online: 15 July 2019
Ethics approval and consent to participate
: Ethical approval for the study was granted by The Ethics Committee of the Department of Medicine and Graduate School of Medicine, Kyoto University (No.1094). We sought informed consent in the form of a signature from the participants before the start of the in-depth interview.
: Not applicable.
: The authors declare that they have no competing interests.