Received: 2 November 2020
Accepted: 1 March 2021
First Online: 9 March 2021
: Ethics approval was obtained from the Institutional Board Review (IRB) of An-Najah National University. Field researchers explained the study design and objectives to the potential participants and obtained their written informed consent before they took part in the present study. The IRB of An-Najah National University approved a verbal consent for this study. Approval was obtained from the Ministry of Health to access the healthcare centers.
: Not applicable.
: All authors report no competing interests.