Hanafy, Amr Shaaban http://orcid.org/0000-0003-2901-2614
Bassiony, Mohamed A.
Basha, Mohammad Abd Alkhalik
Article History
Received: 4 October 2018
Accepted: 14 January 2019
First Online: 13 February 2019
Compliance with ethical standards
:
: Amr Shaaban Hanafy, Mohamed A. Bassiony and Mohammad Abd Alkhalik Basha declare that they have no conflict of interest.
: The study was approved by Zagazig university institutional research committee at the 3rd of May 2015. Written, informed consent was obtained from each patient included in the study. The study protocol conforms to the ethical guidelines of the 1975 Declaration of Helsinki as reflected in a priori approval by the institution’s human research committee.