1. University of Michigan; School of Public Health; Ann Arbor Michigan
2. Division of Cancer Prevention; National Cancer Institute; Bethesda Maryland
3. Cancer Therapy Evaluation Program; National Cancer Institute; Bethesda Maryland
4. The EMMES Corporation; Rockville Maryland
5. Clinical Research Directorate/CMRP; SAIC-Frederick, Inc., Frederick National Laboratory for Cancer Research; Frederick Maryland
6. Billings Clinic Cancer Center; Billings Montana
7. Gundersen Health System; La Crosse Wisconsin