Ibrahim, Asmaa http://orcid.org/0000-0001-8119-9549
Ali, Yasser B. M.
Abdel-Aziz, Amal
El-Badry, Ayman A.
Article History
Received: 14 November 2018
Accepted: 15 December 2018
First Online: 1 January 2019
Compliance with ethical standards
:
: The authors have declared that no competing interest exists.
: Ethical board of University of Sadat City, Genetic Engineering, and Biotechnology Research Institute, Egypt approved the study. Parents of all the children included in the study were verbally informed about the study’s aims, and collection of the specimens was done after their consent was obtained.