Funding for this research was provided by:
UNRWA Health Department, UNRWA Headquarters, Amman, Jordan
Received: 26 September 2019
Accepted: 21 July 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: An approval from the senior management at the front office of UNRWA in Jordan was obtained. A statement of confidentiality was included in the cover letter of the questionnaire to assure participants that no disclosure of their identities would be made.
: Not applicable.
: The authors declare that they have no competing interests.