Gadalla, Ramy http://orcid.org/0000-0002-0879-6328
Hassan, Hebatallah
Ibrahim, Sherif Abdelaziz
Abdullah, Mahmoud Salah
Gaballah, Ahmed
Greve, Burkhard
El-Deeb, Somaya
El-Shinawi, Mohamed
Mohamed, Mona Mostafa
Funding for this research was provided by:
Cairo University
Article History
Received: 9 July 2018
Accepted: 3 January 2019
First Online: 10 January 2019
Compliance with ethical standards
:
: All authors declare that there is no conflict of interest regarding the publication of this article.
: All procedures performed in the study were in accordance with the ethical standards of Ain shams University research ethics committee, the Egyptian national research committee and with the 1964 Helsinki Declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.