[1] NewGiza University School of Medicine,Internal Medicine Department
[2] Egyptian Medical Education Collaborative Group (EGY MedEd),Family Medicine Department
[3] Alexandria University Faculty of Medicine,Internal Medicine Department
[4] AT Still University,Internal Medicine Department, Faculty of Medicine
[5] Kirksville College of Osteopathic Medicine,Nephrology Department
[6] Western Michigan University Homer Stryker M.D. School of Medicine,Medical Research Center
[7] Cairo University,Department of Cardiovascular Perfusion
[8] NewGiza University School of Medicine,Department of Family Medicine, Faculty of Medicine
[9] Helwan University Faculty of Medicine,undefined
[10] Assiut University Faculty of Medicine,undefined
[11] Kateb University,undefined
[12] New York State Department of Health,undefined
[13] State University of New York Upstate Medical University,undefined
[14] Suez Canal University,undefined