1. Department of Surgery; Catharina Hospital; Eindhoven The Netherlands
2. Eindhoven Cancer Registry; Comprehensive Cancer Centre The Netherlands (IKNL); Eindhoven The Netherlands
3. Department of Surgery; Máxima Medical Centre; Veldhoven The Netherlands
4. GROW - School for Oncology and Developmental Biology; Maastricht University Medical Center; Maastricht The Netherlands
5. Department of Surgery; Amphia Hospital; Breda The Netherlands
6. Department of Epidemiology; Maastricht University; Maastricht The Netherlands