Elmoazen, Doaa
Kozou, Hesham
Mekky, Jaidaa
Ghanem, Dalia
Article History
Received: 11 April 2020
Accepted: 11 June 2020
First Online: 9 September 2020
Ethics approval and consent to participate
: The study was approved by Faculty of Medicine, Alexandria University ethics committee on 21/1/2016. An informed consent was obtained from each participant in the study.
: Not applicable.
: The authors declare that they have no competing interests.