Elzahar, Wafaa
Arafa, Ahmed
Youssef, Amira
Erfan, Adel
El Amrousy, Doaa http://orcid.org/0000-0001-7836-1170
Article History
Received: 29 October 2019
Revised: 3 February 2020
Accepted: 6 February 2020
First Online: 13 February 2020
Compliance with ethical standards
:
: The study was approved by local Ethics Committee of faculty of Medicine of our University and has been performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.