Funding for this research was provided by:
Ministerie van Buitenlandse Zaken (NA)
Text and Data Mining valid from 2020-04-20
Received: 22 October 2019
Accepted: 13 April 2020
First Online: 20 April 2020
Ethics approval and consent to participate
: Written informed consent was obtained from all study participants, and participants kept an original signed copy of their consent form. Privacy and confidentiality were assured throughout the research. The study was approved by the National Health Science Research Committee, approval number 2178.
: Not applicable.
: The authors declare that they have no competing interests.