5 University of Colorado School of Medicine, Aurora, Colorado.
6 Yale University, New Haven, Connecticut.
7 Dermatology Physicians of Connecticut, Fairfield, Connecticut; Yale School of Medicine, New Haven, Connecticut.
8 DNA Repair Section, Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
9 University of California, San Diego, California; Rady Children's Hospital, San Diego, California.
10 University of California, San Francisco, California.
11 University of Washington, Seattle, Washington.
12 Emory University School of Medicine, Atlanta, Georgia.