1. Basser Center for BRCA, Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia
2. Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, New York
3. Keck School of Medicine, University of Southern California, Los Angeles
4. Mayo Clinic, Rochester, Minnesota
5. Huntsman Cancer Institute, University of Utah, Salt Lake City
6. Slone Epidemiology Center at Boston University, Boston, Massachusetts