Article Info AuthorsMrs.Nawal Hussain Al-ZahibDr.Randa NoohDr.Tamader Saeed KordiVolume: 22Year: 2015Month: JanuaryIssue: 1-4Reference: Al-Zahib N., Nooh R., Kordi T., .Saudi Epidemiology Bulletin. 2015;22(1-4):.