Email addresses:
ZM: zynab.mohammed@med.bsu.edu.eg
AA: ahmed011172@med.bsu.edu.eg
EA: saltam@yahoo.com
NE: ashraf.ewis926@gmail.com
ME: momenhafez79@yahoo.com
OA:oahazazi@uqu.edu.sa
AE: ashraf.ewis926@gmail.com
Corresponding author: Zeinab Mohammed
Department of Public Health, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
E-mail: zynab.mohammed@med.bsu.edu.eg
Disclosure: NO disclosure relevant to this work
Abstract word count: 208 , Text word count: 2551,Tables: 3, References : 26