1. Department of Pathology, Duke University Medical Center, Durham, NC;
2. Coriell Cell Repositories, Coriell Institute for Medical Research, Camden, NJ;
3. Department of Human Genetics, Emory University School of Medicine, Atlanta, GA;
4. Center for Genetic Testing at Saint Francis, Tulsa, OK;
5. Department of Pathology, State University of New York Upstate Medical University, Syracuse, NY;
6. DNA Technologies Group, National Institute of Standards and Technology, Gaithersburg, MD;
7. ARUP Institute for Clinical and Experimental Pathology, Salt Lake City, UT