Funding for this research was provided by:
Enhancing Learning and Research for Humanitarian Assistance
Article History
Received: 17 April 2019
Accepted: 21 February 2020
First Online: 12 March 2020
Ethics approval and consent to participate
: This study was approved by the Regional Ethical Board in Uppsala, Sweden, registration number 2017/481. Informed consent was signed by all study participants before their participation. Permission to develop the HESPER into a web based version was obtained from the World Health Organization.
: Not applicable.
: The authors declare that they have no competing interests.