Received: 29 March 2018
Accepted: 29 August 2019
First Online: 12 September 2019
: The ethical review committee of the Nepal Health Research Council approved the study (reference number 1065). Before the interviews, all study participants were informed about the study objectives, procedures and their role in the study. With the assurance of confidentiality and voluntary participation, written informed consent was obtained from all participants before data collection.
: Not applicable
: The authors declared that they have no competing interests.