1. Program in Epidemiology; Fred Hutchinson Cancer Research Center; Seattle WA
2. Department of Epidemiology; University of Washington; Seattle WA
3. Colorado Central Cancer Registry; Colorado Department of Public Health and Environment; Denver CO
4. Department of Epidemiology; University of Iowa; Iowa City IA
5. Department of Biomedical Sciences; Cedars-Sinai Medical Center; Los Angeles CA
6. Division of Cancer Epidemiology and Genetics; National Cancer Institute; Rockville MD