Farouk, Ahmed
Tawfick, Ahmed
Shoeb, Mohamed
Mahmoud, Mahmoud A.
Mostafa, Diaa Eldin
Hasan, Mohamed
Abdalla, Hany M.
Article History
Received: 22 August 2017
Accepted: 7 February 2018
First Online: 15 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The study was approved by the local ethical committee of the hospital.
: Informed consent was obtained from all individual participants included in the study.