1. Department of Psychiatry, New York University School of Medicine, New York, New York, USA
2. Department of Anthropology and Psychiatry, University of California Los Angeles David Geffen School of Medicine, Los Angeles, California, USA
3. Department of Psychiatry and the Child Study Center, Yale School of Medicine, New Haven, Connecticut, USA
4. Connecticut Council on Problem Gambling, Wethersfield, Connecticut, USA
5. Connecticut Mental Health Center, New Haven, Connecticut, USA
6. Department of Neuroscience, Yale University, New Haven, Connecticut, USA