Funding for this research was provided by:
University of Michigan EM-PACE (Travel Grant)
Received: 30 October 2019
Accepted: 2 March 2020
First Online: 17 March 2020
Ethics approval and consent to participate
: This study was initially considered exempt from Institutional Review Board (IRB) regulation because it involved interviews in which human subjects could not be identified directly or through identifiers linked to the subjects. For the data collected in the spring of 2016 we received ethical approval from the University of Michigan Health Sciences and Behavioral Sciences IRB [HUM00113823] and Aksum University. Comprehensive written consent was received from all participants.
: All authors have reviewed the final manuscript and provided consent for publication.
: The authors declare that they have no competing interests.