1. Clinical Department, Faculty of Pharmacy, Alexandria University, Alexandria 21544, Egypt
2. Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt
3. Faculty of Medicine, Fayoum University, Fayoum 63514, Egypt
4. Massachusetts General Hospital, Corrigan Minehan Heart Center, Harvard Medical School, Boston, MA 02215, USA
5. Faculty of Medicine, Al-Azhar University, Cairo 11884, Egypt
6. Faculty of Medicine, Assiut University, Assiut 71524, Egypt
7. Faculty of Pharmacy (Girls), Al-Azhar University, Cairo 11884, Egypt
8. MARS Global, London WC2H 9JQ, UK
9. Faculty of Medicine, Menoufia University, Menoufia 32511, Egypt
10. Research Unit, Universidad Continental, Huancayo 15311, Peru
11. Clinical Epidemiology and Biostatistics Master Program, Faculty of Health Sciences, Universidad Científica del Sur, Lima 15097, Peru
12. Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut P.O. Box 36, Lebanon