Affiliation: | 1. Columbia University College of Physicians and Surgeons/New York State Psychiatric Institute, New York, New York;2. Epidemiology, University of Pittsburgh Graduate School of Public Health, Pittsburgh, Penninsylvania;3. School of Nursing, Duquesne University, Pittsburgh, Penninsylvania;4. Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Penninsylvania;5. Sanford Health System, Fargo, North Dakota;6. Division of Digestive Diseases and Nutrition, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland;7. Neuropsychiatric Research Institute, Fargo, North Dakota |