Billieux, Joël; Cognitive Psychopathology and Neuropsychology Unit, FPSE, University of Geneva, 40, Boulevard du Pont d'Arve, CH-1205 Geneva, Switzerland, Swiss Centre for Affective Sciences, Switzerland, Division of Substance Abuse, Geneva University Hospitals, Geneva, Switzerland
Chanal, Julien; Methodology and Data Analyses, Psychology Department, University of Geneva, Switzerland
Khazaal, Yasser; Division of Substance Abuse, Geneva University Hospitals, Geneva, Switzerland
Rochat, Lucien; Cognitive Psychopathology and Neuropsychology Unit, FPSE, University of Geneva, 40, Boulevard du Pont d'Arve, CH-1205 Geneva, Switzerland, Swiss Centre for Affective Sciences, Switzerland
Gay, Philippe; Swiss Centre for Affective Sciences, Switzerland
Zullino, Daniele; Division of Substance Abuse, Geneva University Hospitals, Geneva, Switzerland