Article Info AuthorsDr.Turki moghli hammad AlaslaniDr.Shady Abdulrahman KamelDr.Amal Al NafisiVolume: 24Year: 2017Month: JanuaryIssue: 1-4Reference: Alaslani T., Kamel S., Nafisi A., .Saudi Epidemiology Bulletin. 2017;24(1-4):.