1. Department of Psychiatry, Yale University School of Medicine, New Haven, USA
2. Peter Boris Centre for Addiction Research, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Canada
3. Gambling Disorder Clinic, Department of Occupational and Environmental Medicine, Odense University Hospital, Denmark
4. Institute of Living/Hartford Hospital & Olin Neuropsychiatry Research Center, Hartford, USA
5. Department of Neuroscience, Yale University School of Medicine, New Haven, USA
6. Child Study Center, Yale University School of Medicine, New Haven, USA
7. Connecticut Mental Health Center, New Haven, USA
8. The Connecticut Council on Problem Gambling, Wethersfield, USA