Funding for this research was provided by:
Deutsche Gesellschaft für Internationale Zusammenarbeit
Text and Data Mining valid from 2019-10-30
Received: 5 April 2019
Accepted: 4 October 2019
First Online: 30 October 2019
Ethics approval and consent to participate
: Approval was granted by the Cambodian National Ethics Committee for Health Research (#292.NECHR).
: Not applicable.
: The authors declare that they have no competing interests.