title: Response.
authors.affiliation: Frankfurt University Hospital, Department of Internal Medicine I, Frankfurt/Main, Germany.
authors.forename: Fabian
authors.initials: F
authors.lastname: Finkelmeier
authors.affiliation: Frankfurt University Hospital, Department of Internal Medicine I, Frankfurt/Main, Germany.
authors.forename: Jörg G
authors.initials: JG
authors.lastname: Albert