1. Department of Anatomy & EmbryologyLeiden University Medical Center Leiden The Netherlands
2. Department of InformaticsUniversity of Bergen Norway
3. Mohn Medical Imaging and Visualization CentreDepartment of Radiology, Haukeland University Hospital, Bergen Norway
4. Computer Graphics and Visualization, Department of Intelligent SystemsDelft University of Technology Delft The Netherlands
5. Department of SurgeryLeiden University Medical Center Leiden The Netherlands
6. Department of SurgeryCatharina Hospital Eindhoven Eindhoven The Netherlands