Khazaal, Yasser; Division of Substance Abuse, Geneva University Hospitals, Geneva, Switzerland, Division of Substance Abuse, Geneva University Hospitals, Rue verte 2, 1205 Geneva, Switzerland
Billieux, Joël; Cognitive Psychopathology and Neuropsychology Unit, University of Geneva, Geneva, Switzerland
Thorens, Gabriel; Division of Substance Abuse, Geneva University Hospitals, Geneva, Switzerland
Khan, Riaz; Division of Substance Abuse, Geneva University Hospitals, Geneva, Switzerland
Louati, Youssr; Faculty of Medicine, Geneva University, Geneva, Switzerland
Scarlatti, Elisa; Faculty of Medicine, Geneva University, Geneva, Switzerland
Theintz, Florence; Faculty of Medicine, Geneva University, Geneva, Switzerland
Lederrey, Jérome; Faculty of Medicine, Geneva University, Geneva, Switzerland
Zullino, Daniele; Division of Substance Abuse, Geneva University Hospitals, Geneva, Switzerland