1. Foodborne
Toxin Detection and Prevention, Western Regional Research Center,
Agricultural Research Service, U.S. Department of Agriculture, 800 Buchanan
Street, Albany, California 94710, United States
2. Poisonous
Plant Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, 1150 East 1400 North, Logan, Utah 84341, United States
3. Department
of Biological Sciences, Arkansas State University, State University, Arkansas 72467, United States