Elmelegy, Nader
Shokr, Tarek
Osama, Mamdouh
Article History
Received: 4 July 2019
Accepted: 25 September 2019
First Online: 4 October 2019
Compliance with Ethical Standards
:
: The authors have no conflict of interest to disclose.
: All the procedures performed in this study that involved human participants were in accordance with the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or ethical standards. Accepted principles of ethical and professional conduct have been followed. This article was approved by Tanta University’s Ethical Committee (2013/12/21).
: Informed consent was obtained from all individual participants included in the study, and additional informed consent was obtained from all individual participants for whom identifying information is included in this article.