1. School of Medicine, Baylor College of Medicine, Houston, Texas
2. Department of Health Services Research, University of Texas MD Anderson Cancer Center, Houston
3. Department of Dermatology, University of Texas MD Anderson Cancer Center, Houston
4. Department of Genitourinary Medical Oncology, University of Texas MD Anderson Cancer Center, Houston
5. Department of Breast Medical Oncology, University of Texas MD Anderson Cancer Center, Houston
6. Department of Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston
7. Department of Epidemiology, University of Texas MD Anderson Cancer Center, Houston