1. Department of Neuroradiology Mayo Clinic Rochester Minnesota USA
2. Nuffield Department of Primary Care Health Sciences and Department for Continuing Education (EBHC program) Oxford University Oxford UK
3. Faculty of Medicine Menoufia University Menoufia Egypt
4. Faculty of Medicine Minia University Minia Egypt
5. Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences Deakin University Melbourne Vic. Australia
6. School of Medicine American University of the Caribbean Cupecoy Sint Maarten
7. Nested Knowledge St. Paul Minnesota USA
8. Superior Medical Experts St. Paul Minnesota USA
9. Medical Biochemistry and Molecular Biology Department, Faculty of Medicine Tanta University Tanta Egypt
10. School of Chemistry and Biosciences, Faculty of Life Sciences University of Bradford Bradford UK
11. Radiology Department, Central Hospital of University of Montreal University of Montreal Montreal QC Canada
12. Neuroendovascular Program Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA
13. Medical Research Center Kateb University Kabul Afghanistan
14. Department of Neurology University of Texas Rio Grande Valley Harlingen Texas USA