Shafik, Amr Gouda
Mohamed, Mohamed Naguib
Hassan, Hassan Mohamed
Article History
Received: 17 June 2020
Accepted: 6 November 2020
First Online: 1 December 2020
Ethics approval and consent to participate
: The study was approved by local ethical committee, Faculty of medicine, Ain Shams University. The date of approval was on 9-5-2018. A written informed consent was obtained from all participants.
: A written informed consent for publication was obtained from all participants.
: The authors declare that they have no competing interests.