1. Department of Psychology, University of Nevada, Las Vegas, Nevada, USA
2. Connecticut Council on Problem Gambling, Wethersfield, Connecticut, USA
3. Connecticut Mental Health Center, New Haven, Connecticut, USA
4. Department of Neuroscience and Child Study Center, Yale University School of Medicine, New Haven, Connecticut, USA
5. Edith Nourse Rogers Memorial Hospital, Bedford, Massachusetts, USA
6. VISN 1 New England MIRECC, Edith Nourse Rogers Memorial Hospital, Bedford, Massachusetts, USA
7. University of Massachusetts Medical School, Worcester, Massachusetts, USA