Received: 7 March 2018
Accepted: 15 August 2019
First Online: 2 December 2019
Ethics approval and consent to participate
: Consents were taken from all patients and the research was approved by the Ethics Committee of the Faculty of Medicine—Alexandria University—Date: June 2013—Number: 00007555 and FWA NO: 00015712.
: Not applicable.
: The authors declare that they have no competing interest.