Received: 28 March 2019
Accepted: 28 August 2019
First Online: 6 September 2019
Ethics approval and consent to participate
: The ethical approval to conduct this study was obtained from the Institutional Review Board (IRB) Committee of An-Najah National University (Protocol approval # 121-Jan-2016). In this study, the panelists had to respond to items in a questionnaire, therefore, the IRB decided that a written consent was not necessary and panelists would need to provide verbal consent. All panelists provided verbal consents before participation. The Delphi technique is semi-anonymous technique in which the identity of the panelists is known to the researcher while each panelist remained anonymous to the remainder of the participants. Views and votes of panelists weighed equally during analysis.
: Not applicable.
: The authors declare that they have no competing interests.