1. Department of Analytical Chemistry, Faculty of Pharmacy University of Sadat City Sadat City Egypt
2. Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy Tanta University Tanta Egypt
3. Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy Kafrelsheikh University Kafrelsheikh Egypt
4. Department of Chemistry and Biochemistry Miami University Oxford OH USA
5. Pharmaceutics and Industrial Pharmacy Department, Faculty of Pharmacy Cairo University Cairo Egypt
6. Pharmaceutical Services Center, Faculty of Pharmacy Tanta University Tanta Egypt