1. Statistics and Evaluation Center; Intramural Research Department; American Cancer Society and Department of Health Policy and Management; Emory University; Atlanta Georgia
2. Winship Cancer Institute and Department of Urology; Emory University; Atlanta Georgia
3. Department of Epidemiology; Emory University; Atlanta Georgia
4. Surveillance and Health Services Research Program; Intramural Research Department; American Cancer Society; Atlanta Georgia
5. Department of Health Policy and Management; Emory University; Atlanta Georgia
6. Statistics and Evaluation Center; Intramural Research Department; American Cancer Society and Department of Biostatistics and Bioinformatics; Emory University; Atlanta Georgia
7. Winship Cancer Institute and Department of Health Policy and Management; Emory University; Atlanta Georgia