Al-Ahwal, Shereen A.
Ragab, Osama A.
Abo Elsafa, Ashraf A.
Ghali, Azza A.
Article History
Received: 25 October 2017
Accepted: 3 January 2019
First Online: 15 January 2019
Ethics approval and consent to participate
: The study protocol was approved by The Research Ethics Committee and Quality Assurance Unit, Faculty of Medicine, Tanta University under the code number (1109/04/12) on April 2012. Participation was voluntary and all contributors or their first-degree relatives received detailed information about the aims of this research work and an informed consent was obtained prior to the commencement of the study.
: A written informed consent for the publication was obtained from all the participants (or their first degree relatives).
: The authors declare that they have no competing interests.
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