1 Department of Vascular Surgery, OLVG Oost, Amsterdam, the Netherlands; Department of Surgery, UMC Utrecht, Utrecht, the Netherlands. Electronic address: Jennifer.Jongen@hotmail.com.
2 Department of Radiology, UMC Utrecht, Utrecht, the Netherlands.
3 Radiation Protection Department, UMC Utrecht, Utrecht, the Netherlands.
4 Department of Surgery, HMC Westeinde, Den Haag, the Netherlands; Department of Surgery, Leiden University Medical Centre, Leiden, the Netherlands.
5 Department of Surgery, UMC Utrecht, Utrecht, the Netherlands.
6 Department of Surgery, Groene Hart Ziekenhuis, Gouda, the Netherlands.