Received: 11 December 2019
Accepted: 27 April 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: The study was approved by the Research Ethics Committee (Faculty of Medicine, Ain Shams University, FWA 00006444), and all patients signed an informed consent for participation in the study in accordance with the Declaration of Helsinki.
: Not applicable
: The authors have no conflicts of interest.