1. Department of Epidemiology; GROW School for Oncology and Developmental Biology, Maastricht University; Maastricht The Netherlands
2. Division of Public Health Sciences; Fred Hutchinson Cancer Research Center; Seattle, Washington
3. Department of Urology; School of Medicine, University of Washington; Seattle, Washington
4. Department of Biostatistics; School of Public Health, University of Washington; Seattle, Washington
5. Department of Epidemiology; School of Public Health, University of Washington; Seattle, Washington