1. Endemic and Infectious Diseases Department, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
2. Psychiatry and Neurology Department, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
3. Family Medicine Department, Faculty of Medicine, Port-Said University, Port-Said, Egypt
4. Faculty of Medicine, Alexandria University, Alexandria, Egypt
5. Department of Microbiology and Immunology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
6. Department of Public Health, Community, Environmental and Occupational Medicine, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
7. Department of Basic Medical Sciences, Faculty of Medicine, King Salman International University, South Sinai, Egypt
8. Department of Internal Medicine, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
9. Kateb University, Medical Research Center, Kabul, Afghanistan
10. Department of Family Medicine, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
11. SUNY, Upstate Medical University, Syracuse, NY.