title: Reply to the letter to the Editor: Comment to Barichella and colleagues.
authors.affiliation: Department of Nuclear Medicine and PET Centre, Aarhus University Hospital, Aarhus, Denmark.
authors.forename: Karoline
authors.initials: K
authors.lastname: Knudsen
authors.affiliation: Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark.
authors.forename: Klaus
authors.initials: K
authors.lastname: Krogh
authors.affiliation: Department of Neurology, Aarhus University Hospital, Aarhus, Denmark.
authors.forename: Karen
authors.initials: K
authors.lastname: Östergaard
authors.affiliation: Department of Nuclear Medicine and PET Centre, Aarhus University Hospital, Aarhus, Denmark.
authors.forename: Per
authors.initials: P
authors.lastname: Borghammer