1. Minnesota Obesity Center, Minneapolis VA Medical Center, Minneapolis, MN 55417
2. Department of Psychiatry, University of Minnesota, Minneapolis, MN 55455
3. Department of Food Science and Nutrition, University of Minnesota, St. Paul, MN 55108
4. Neuropsychiatric Research Institute, Fargo, ND 58107
5. Department of Neuroscience, University of North Dakota School of Medicine and Health Sciences, Fargo, ND 58202