title: Reply.
authors.affiliation: Department of Vascular Surgery, Maastricht University Medical Centre+, Maastricht, The Netherlands; CARIM School for Cardiovascular Diseases, Maastricht, The Netherlands.
authors.forename: Ralph L M
authors.initials: RL
authors.lastname: Kurstjens
authors.affiliation: Department of Vascular Surgery, Maastricht University Medical Centre+, Maastricht, The Netherlands; CARIM School for Cardiovascular Diseases, Maastricht, The Netherlands.
authors.forename: Mark A F
authors.initials: MA
authors.lastname: de Wolf
authors.affiliation: Department of Vascular Surgery, Maastricht University Medical Centre+, Maastricht, The Netherlands; CARIM School for Cardiovascular Diseases, Maastricht, The Netherlands.
authors.forename: Rob H W
authors.initials: RH
authors.lastname: Strijkers
authors.affiliation: Department of Radiology, Maastricht University Medical Centre+, Maastricht, The Netherlands; Department of Radiology, VieCuri Medical Centre, Venlo, The Netherlands.
authors.forename: Carsten W K P
authors.initials: CW
authors.lastname: Arnoldussen
authors.affiliation: Department of Vascular Surgery, Maastricht University Medical Centre+, Maastricht, The Netherlands; Department of Vascular Surgery, University Hospital Aachen, Aachen, Germany.
authors.forename: Irwin M
authors.initials: IM
authors.lastname: Toonder
authors.affiliation: Department of Vascular Surgery, Maastricht University Medical Centre+, Maastricht, The Netherlands; CARIM School for Cardiovascular Diseases, Maastricht, The Netherlands; Department of Vascular Surgery, University Hospital Aachen, Aachen, Germany.
authors.forename: Cees H A
authors.initials: CH
authors.lastname: Wittens