We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePredictors of retention in an online follow-up study of men who have sex with men.AuthorsKhosropour CM; Sullivan PSPublicationJournal of medical Internet research, 2011, Vol 13, Issue 3, pe47ISSN1438-8871Publication typearticleDOI10.2196/jmir.1717