Funding for this research was provided by:
World Health Organization (NA)
Received: 7 February 2020
Accepted: 17 March 2020
First Online: 10 June 2020
Ethics approval and consent to participate
: <b>Status:</b> Approved<b>Name and contact details of ethics committee(s),</b><b>Dates of approval:</b>OrderedList removed
: Not applicable. No images or other personal or clinical details of participants will be presented that could compromise anonymity.
: The principal investigators and co-authors have declared that no competing interests exist.