Funding for this research was provided by:
SWISS GOVERNMENT EXCELLENCE SCHOLARSHIP ((2016.0951))
Received: 16 March 2019
Accepted: 29 August 2019
First Online: 12 September 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Nordwest- und Zentral Schweiz (EKNZ) in Basel, Switzerland and by the Institutional Review Board (IRB) committee at An-Najah National University in Nablus, Palestine. All patients enrolled in the study provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.