title: Reply.
authors.affiliation: Department of Radiology, AHEPA University General Hospital, Thessaloniki, Greece.
authors.forename: Vasileios
authors.initials: V
authors.lastname: Rafailidis
authors.affiliation: Department of Radiology, G. Gennimatas General Hospital, Thessaloniki, Greece.
authors.forename: Sotirios
authors.initials: S
authors.lastname: Varelas
authors.affiliation: Department of Radiology, G. Gennimatas General Hospital, Thessaloniki, Greece.
authors.forename: Foteini
authors.initials: F
authors.lastname: Apostolopoulou
authors.affiliation: Department of Radiology, G. Gennimatas General Hospital, Thessaloniki, Greece.
authors.forename: Dimitrios
authors.initials: D
authors.lastname: Rafailidis