1. Department of Pathology; Erasme University Hospital; ULB; Brussels Belgium
2. Foundation Belgian Cancer Registry; Brussels Belgium
3. Department of Pathology; Cliniques Universitaires Saint-Luc; UCL; Brussels Belgium
4. ACBiobanking; UZ Gasthuisberg; KUL; Leuven Belgium
5. Department of Pathology; Ghent University Hospital; UGhent; Ghent Belgium
6. Department of Pathology; CHU; Charleroi Belgium
7. Department of Pathology; UZ Brussel; VUB; Brussels Belgium