1. Faculty of Agriculture and Food Science, Pavillon de l’Envirotron, Laval University, Quebec, Canada
2. Department of Agronomy, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
3. Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
4. General Administrative of Medical Affairs, Zagazig University, Zagazig, Egypt