1. Internal Medicine and Diabetology, Faculty of Medicine Menoufia University Menoufia Egypt
2. Internal Medicine Department, Medical Division National Research Centre Giza Egypt
3. Faculty of Medicine, Cardiology and Angiology Alexandria University Alexandria Egypt
4. Faculty of Medicine, Internal Medicine, Diabetes and Endocrinology Menoufia University Menoufia Egypt
5. Pharmacognosy Department, Pharmaceutical and Drug Research Industries Division National Research Centre Giza Egypt
6. Molecular Biology, Genetic Engineering and Biotechnology Research Institute University of Sadat City Sadat City Egypt
7. School of Pharmaceutical Sciences Universiti Sains Malaysia Gelugor Malaysia