[1] Faculty of Medicine,General Surgery Department
[2] Alexandria University,Department of Health Administration and Behavioral Sciences
[3] High Institute of Public Health,Department of Public Health
[4] Alexandria University,Nephrology Department
[5] Sudanese Medical Research Association, Al Sabah Hospital
[6] Kuwaiti Ministry of Health,Alexandria Directorate of Health Affairs
[7] Egyptian Ministry of Health and Population,Forensic Medicine and Clinical Toxicology Department
[8] Faculty of Medicine,ENT Department
[9] Alexandria University,Department of Surgery
[10] Public Health Department - High Institution of Public Health - Alexandria University,undefined
[11] Kafr El-Sheikh University Hospital,undefined
[12] King Fahd University Hospital,undefined
[13] Imam Abdulrahman Bin Faisal University,undefined
[14] Department of Instructional Technology and Learning Sciences - Utah State University,undefined