title: Incidence and characteristics of sexually transmitted acute hepatitis C virus infection among HIV-positive men who have sex with men in Copenhagen, Denmark during four years (2006-2009): a retrospective cohort study.
authors.affiliation: Department of Infectious Diseases, Rigshospitalet, Copenhagen, Denmark. toke.barfod@dadlnet.dk
authors.forename: Toke S
authors.initials: TS
authors.lastname: Barfod
authors.forename: Lars Haukali
authors.initials: LH
authors.lastname: Omland
authors.forename: Terese L
authors.initials: TL
authors.lastname: Katzenstein