Funding for this research was provided by:
Tehran University of Medical Sciences and Health Services
Received: 4 January 2020
Accepted: 27 May 2020
First Online: 5 June 2020
Ethics approval and consent to participate
: The study was approved by the Ethical Committee of the TUMS- Iran. Ethical code: IR.TUMS.REC.1397.173. Written informedconsent was obtained from the interviewees. Participants had the right to withdraw from the research at any time.
: Not applicable.
: The authors declare that they have no competing interests.