Received: 19 April 2019
Accepted: 21 November 2019
First Online: 4 December 2019
Ethics approval and consent to participate
: This research obtained ethical approval from the Research Ethics Commission Faculty of Medicine Universitas Brawijaya No. 31/EC/KEPK/02/2019. All participants in this research gave their willingness to participate by signing the consent form.
: Consent for publication was not applicable since we used coding for participants’ opinions and statements.
: The authors declare that they have no competing interests.