1. Department of Medicine, Baylor College of Medicine, Houston, Texas
2. Department of Dermatology, University of North Carolina
3. Department of Epidemiology
4. Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
5. Department of Applied Mathematics and Statistics, State University of New York, Stony Brook
6. Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York
7. Department of Pathology, New York University School of Medicine, New York
8. Department of Internal Medicine, University of New Mexico, Albuquerque, New Maxico
9. Roswell Park Comprehensive Cancer Center, Elm and Carlton, Buffalo
10. Department of Applied Mathematics and Statistics, State University of New York, Stony Brook and
11. Department of Surgery, University of North Carolina, Chapel Hill, North Carolina, USA