1. Department of Epidemiology, University of California-Los Angeles, Los Angeles, California
2. International Agency for Research on Cancer, Lyon, France
3. Department of Pathology and Laboratory Medicine, University of California-Los Angeles, Los Angeles, California
4. Department of Urology, University of California-Los Angeles, Los Angeles, California
5. Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, New York
6. Center for Human Nutrition, Department of Medicine, University of California-Los Angeles, Los Angeles, California