1. Department of Human Genetics, University of Pittsburgh School of Public Health, A300 Crabtree Hall, 130 Desoto St., Pittsburgh, Pennsylvania 15261
2. University of Pittsburgh Cancer Institute, Hillman Cancer Center, Research Pavilion 2.6, 5117 Centre Ave., Pittsburgh, Pennsylvania 15213-1863
3. Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DS, United Kingdom
4. Department of Cell Biology & Genetics, Cancer Genomics Center, Erasmus Medical Center, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
5. Department of Radiation Oncology, Dana-Farber Cancer Institute, Harvard Medical School, 44 Binney St., Boston, Massachusetts 02115
6. Department of Radiation Oncology, Erasmus Medical Center, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
7. Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, E1240 BSTWR, 200 Lothrop St., Pittsburgh, Pennsylvania 15261