Received: 22 July 2020
Accepted: 27 December 2020
First Online: 19 January 2021
Ethics approval and consent to participate
: The study obtained approval from the Institutional Review Board of El Zaitoun Specialized Hospital (date of approval: 13-12-2017). The study was registered at ExternalRef removed (registry number: NCT04408768). An informed written consent was obtained from each patient or his first kin.
: Not applicable
: The authors declare that they have no competing interests.