1. Public Health Department, Health Sciences College at Al-Leith, Umm Al-Qura University, Al leith, KSA
2. Faculty of Public and Environmental Health, University of Khartoum, Khartoum, Sudan
3. Department of Pharmacy, University of Malakand, Chakdara, Dir (L), KP, 18800, Pakistan
4. Medical Chemistry Department, Bukhara State Medical Institute Named After Abu Ali Ibn Sino, Bukhara, Uzbekistan