Abdel Samad, Amr Mahmoud
Ibrahim, Yosra Abdelzaher https://orcid.org/0000-0002-7961-4202
Othman, Amal Ibrahim A.
Article History
Received: 22 June 2019
Accepted: 30 August 2019
First Online: 11 October 2019
Ethics approval and consent to participate
: The local ethics committee of Ain Shams University ruled that no formal ethics approval or consent to participate were required in this retrospective study. However, non-formal IRB approval was obtained.
: Not applicable
: The authors declare that they have no competing interests.