Ali, Susan Adil
Abdelkawi, Moustafa Mahmoud
Hussien, Nervana Magdy
Article History
Received: 3 December 2019
Accepted: 5 December 2019
First Online: 30 December 2019
Ethics approval and consent to participate
: The study protocol was approved by the Ethical Committee of Helwan University in 2016 (no reference number was given at that time) and written informed consent was obtained from all patients to participate in the study.
: Written informed consent was obtained from all patients for publication of the study.
: The authors declare that they have no competing interests.