[1] Ministry of Health,Department of Research, General Directorate of Medical Consultations
[2] Ministry of Health,Research and Development Department, General Directorate of School Health
[3] Tanta University,Department of Public Health and Community Medicine, Faculty of Medicine
[4] Ministry of Health,Department of Research, Assisting Deputyship for Primary Health Care
[5] Assiut University,Department of Internal Medicine, Rheumatology and Clinical Immunology Unit, Faculty of Medicine
[6] Zagazig University,Department of Community, Environmental and Occupational Medicine, Faculty of Medicine
[7] Medical City King Saud University,Department of Pharmacy, King Khalid University Hospital
[8] Sanofi Aventis Arabia,Department of Sales
[9] Al-Imam Mohammad Bin Saud Islamic University,Department of Family Medicine, College of Medicine