title: Author's Reply.
authors.affiliation: Department of Family and Community Medicine, University of Dammam, Dammam, Kingdom of Saudi Arabia.
authors.forename: Afrah I
authors.initials: AI
authors.lastname: Babli
authors.affiliation: Department of Family and Community Medicine, University of Dammam, Dammam, Kingdom of Saudi Arabia.
authors.forename: Kasim M
authors.initials: KM
authors.lastname: AlDawood
authors.affiliation: Department of Family and Community Medicine, University of Dammam, Dammam, Kingdom of Saudi Arabia.
authors.forename: Ammar H
authors.initials: AH
authors.lastname: Khamis