1. Department of Epidemiology; Johns Hopkins Bloomberg School of Public Health; Baltimore Maryland
2. Department of Chronic Disease Epidemiology; Epidemiology; Biostatistics and Prevention Institute (EBPI); University of Zurich; Zurich Switzerland
3. Division of Cancer Epidemiology and Genetics; National Cancer Institute; Rockville Maryland
4. Department of Laboratory Medicine; Harvard Medical School and Children's Hospital; Boston Massachusetts
5. Division of Endocrinology and Metabolism; Department of Medicine, Johns Hopkins University School of Medicine; Baltimore Maryland
6. Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins; Baltimore Maryland
7. Department of Environmental Health Sciences; Johns Hopkins Bloomberg School of Public Health; Baltimore Maryland
8. Department of Urology and the James Buchanan Brady Urological Institute; Johns Hopkins University School of Medicine; Baltimore Maryland