1. Facultad de Ciencias de la Salud, Universidad Internacional de La Rioja, 26006 La Rioja, Spain
2. Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06510, USA
3. Connecticut Mental Health Center, New Haven, CT 06519, USA
4. Connecticut Council on Problem Gambling, Wethersfield, CT 06109, USA
5. Wu Tsai Institute, Yale University, New Haven, CT 06510, USA
6. Yale Child Study Center, Yale University School of Medicine, New Haven, CT 06510, USA
7. Department of Neuroscience, Yale University School of Medicine, New Haven, CT 06510, USA