1. Department of Surgery, Amsterdam UMC, University of Amsterdam, Cancer Centre Amsterdam , Amsterdam, the Netherlands
2. Department of Surgery, Poliambulanza Hospital Brescia , Brescia, Italy
3. Department of General and Pancreatic Surgery, Pancreas Institute, University of Verona Hospital Trust , Verona, Italy
4. Department of Surgery, Regional Academic Cancer Centre Utrecht, University Medical Centre Utrecht, and St Antonius Ziekenhuis Nieuwegein , Utrecht, the Netherlands
5. Department of Surgery, Erasmus MC , Rotterdam, the Netherlands