Funding for this research was provided by:
2016 Faculty Research Grant of College of Nursing, Yonsei University
Received: 7 May 2019
Accepted: 27 September 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: This research was approved by the Institutional Review Board of Yonsei University, College of Nursing (IRB no. 2017–0004). Written informed consent was obtained from each focus group participant.
: Not applicable.
: The authors declare that they have no competing interests.