1. KU Leuven, AZ Alma (General Hospital), Eeklo, Belgium
2. Department of Abdominal and General Surgery, AZ Alma (General Hospital), Eeklo, Belgium
3. Department of Pathology, AZ St Jan Brugge (General Hospital), Bruges, Belgium
4. Department of Hematology, AZ St Jan Brugge (General Hospital), Bruges, Belgium