Manzour, Ayat F.
Gamal Eldin, Dina A.
Article History
Received: 6 March 2019
Accepted: 21 September 2019
First Online: 4 December 2019
Ethics approval and consent to participate
: Ethical approval was obtained from Ethics Committee, Faculty of Medicine, Ain Shams University on 12 Feb 2017. A written informed consent was taken from all participants after informing them about the aim of the study and assuring the confidentiality of all provided data. Consent was either signed by participant or a legally acceptable representative in case of illiteracy. Participants were free to withdraw at any time during data collection.
: Not applicable.
: The authors declare that they have no competing interests.