1. Department of Pathology Memorial Sloan Kettering Cancer Center New York New York USA
2. Department of Medicine Memorial Sloan Kettering Cancer Center New York New York USA
3. Department of Cancer Genetics Mater Private Hospital Dublin Ireland
4. Department of Clinical Genetics Leiden University Medical Centre Leiden The Netherlands
5. Department of Pathology and Laboratory Medicine David Geffen School of Medicine, University of California Los Angeles California USA