1. Dermatology; Adrology and STDs Department; Faculty of Medicine; Menoufia University; Shebin El-Kom Egypt
2. Department of Public Health and Community Medicine; Faculty of Medicine; Menoufia University; Shebin El-Kom Egypt
3. Cleveland Clinic; Lerner College of Medicine; Case Western Reserve University; Cleveland OH USA
4. Clinical Pathology; Faculty of Medicine; Menoufia University; Shebin El-Kom Egypt
5. Clinical Pharmacy; Faculty of Pharmacy; MSA University; October City Egypt
6. Independent Researcher; Cleveland OH USA