title: Letter: retreatment of patients with chronic hepatitis C who have failed interferon-free combination therapy with direct acting anti-virals.
authors.affiliation: Medical University of Vienna, Vienna, Austria.
authors.forename: K
authors.initials: K
authors.lastname: Kozbial
authors.affiliation: Medical University of Vienna, Vienna, Austria.
authors.forename: S W
authors.initials: SW
authors.lastname: Aberle
authors.affiliation: Goethe University Hospital, Frankfurt, Germany.
authors.forename: S
authors.initials: S
authors.lastname: Susser
authors.affiliation: Medical University of Innsbruck, Innsbruck, Austria.
authors.forename: R
authors.initials: R
authors.lastname: Al-Zoairy
authors.affiliation: Wilhelminenspital Wien, Vienna, Austria.
authors.forename: S
authors.initials: S
authors.lastname: Moser
authors.affiliation: Medical University of Vienna, Vienna, Austria.
authors.forename: A F
authors.initials: AF
authors.lastname: Stättermayer
authors.affiliation: Elisabethinen Hospital, Linz, Austria.
authors.forename: A
authors.initials: A
authors.lastname: Maieron
authors.affiliation: Elisabethinen Hospital, Linz, Austria.
authors.forename: M
authors.initials: M
authors.lastname: Gschwantler
authors.affiliation: Medical University of Graz, Graz, Austria.
authors.forename: R
authors.initials: R
authors.lastname: Stauber
authors.affiliation: Landeskrankenhaus Hall, Hall in Tirol, Austria.
authors.forename: I
authors.initials: I
authors.lastname: Graziadei
authors.affiliation: Medical University of Innsbruck, Innsbruck, Austria.
authors.forename: H
authors.initials: H
authors.lastname: Zoller
authors.affiliation: Medical University of Vienna, Vienna, Austria.
authors.forename: S
authors.initials: S
authors.lastname: Beinhardt
authors.affiliation: Medical University of Vienna, Vienna, Austria.
authors.forename: H
authors.initials: H
authors.lastname: Holzmann
authors.affiliation: Medical University of Vienna, Vienna, Austria.
authors.forename: P
authors.initials: P
authors.lastname: Munda-Steindl
authors.affiliation: Medical University of Vienna, Vienna, Austria.
authors.forename: H
authors.initials: H
authors.lastname: Hofer
authors.affiliation: Goethe University Hospital, Frankfurt, Germany.|St. Josefs-Hospital, Wiesbaden, Germany.
authors.forename: C
authors.initials: C
authors.lastname: Sarrazin
authors.affiliation: Medical University of Vienna, Vienna, Austria.
authors.forename: P
authors.initials: P
authors.lastname: Ferenci