1. Department of Human Nutrition and Dietetics (M/C 517), University of Illinois at Chicago, Chicago,IL 60612-7256
2. Department of Epidemiology, University of Michigan, Ann Arbor, MI 48109
3. Department of Pharmacy, University of Michigan Hospital, Ann Arbor, MI 48109
4. Department of Animal Science, Michigan State University, East Lansing, MI 48824
5. Department of Surgery, Cancer Institute of New Jersey, New Brunswick, NJ 08901