1. Department of Human Genetics; KU Leuven and University Hospitals Leuven; Belgium
2. Department of Pathology; Brigham and Women's Hospital; Boston MA USA
3. Department of Pathology; Memorial Sloan Kettering Cancer Center; New York NY USA
4. Department of Pathology; Cochin Hospital; Assistance Publique- Hôpitaux de Paris France
5. Department of Pathology; Institut Bergonié; Bordeaux France
6. Department of Pathology; KU Leuven and University Hospitals Leuven; Belgium