1. Department of Pathology; Radboud University Medical Center; Nijmegen The Netherlands
2. Laboratory of Pathology; St. Antonius Hospital; Nieuwegein The Netherlands
3. Laboratory of Pathology Oost Nederland; Hengelo The Netherlands
4. Symbiant Pathology Expert Centre; Hoorn The Netherlands
5. Department of Pathology; Diakonessenhuis Utrecht; The Netherlands
6. Department of Pathology; Leiden University Medical Center; Leiden The Netherlands
7. Department of Pathology; Ghent University and Ghent University Hospital; Ghent Belgium
8. University College London Cancer Institute; London United Kingdom
9. Department of Pathology; University Medical Center Groningen, University of Groningen; Groningen The Netherlands
10. Dermatopathology Bodensee; Friedrichshafen Germany
11. Department of Clinical Genetics; University and Regional Laboratories, Skåne University Hospital, Lund University; Lund Sweden