Article History
Received: 9 July 2019
Accepted: 17 November 2020
First Online: 4 January 2021
Ethics approval and consent to participate
: This study was approved by the Public Institutional Bioethics Committee designated by the Ministry of Health and Welfare (Institutional review of board: IRB. P01–201809–23-007). Before interview and data collection, researchers explained to all respondents that all data acquired would not be used for other purposes than research, and respondents could refuse an interview at any time. Participants in this survey provided their informed consent with written paper.
: Not applicable.
: The authors have no conflict of interest to disclose.