1. Food Composition Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, East Beltsville, Maryland.
2. Department of Food Science and Human Nutrition, University of Illinois, Urbana, Illinois.
3. Water Management Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Parlier, California.
4. Grand Forks Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, Grand Forks, North Dakota.