1. Department of Psychology, CEU San Pablo University, Madrid, Spain
2. Industrial Psychology and People Management, University of Johannesburg, Johannesburg, South Africa
3. Clinical Psychology and Addictions, Eötvös Loránd University, Budapest, Hungary
4. Division of Psychological & Educational Services, Fordham University, New York City, NY, USA
5. Psychiatry and Behavioral Sciences, Northwestern University, Chicago and Evanston, IL, USA