Shawahna, Ramzi
Article History
Received: 17 February 2021
Accepted: 10 August 2021
First Online: 23 August 2021
Declarations
:
: The study was conducted in compliance with the Declaration of Helsinki and in accordance with the rules and regulations followed at An-Najah National University. This study received ethical approval from the Institutional Review Board (IRB) of An-Najah National University, Nablus (Protocol # NNU-IRB-Sep-14). The participants signed a written informed consent.
: Not applicable.
: All authors report no competing interests.