RT Journal Article SR Electronic T1 Meta-analysis of prevalence JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 974 OP 978 DO 10.1136/jech-2013-203104 VO 67 IS 11 A1 Jan J Barendregt A1 Suhail A Doi A1 Yong Yi Lee A1 Rosana E Norman A1 Theo Vos YR 2013 UL http://jech.bmj.com/content/67/11/974.abstract AB Markup server — Error Error There was a problem handling your request. Please try again in a few minutes, or contact us if you continue to experience this problem.