1. Department of Radiology; Catharina Hospital; Eindhoven The Netherlands
2. Comprehensive Cancer Centre South (IKZ)/Eindhoven Cancer Registry; Eindhoven The Netherlands
3. Department of Epidemiology; Maastricht University; Maastricht The Netherlands
4. Department of Surgery; Canisius Wilhelmina Hospital; Nijmegen The Netherlands
5. Department of Radiology; Canisius Wilhelmina Hospital; Nijmegen The Netherlands