1. Psychological Sciences Research Institute, Catholic University of Louvain, Louvain-la-Neuve, Belgium;
2. Faculty of Human and Social Sciences, UKE–Kore of Enna, Enna, Italy;
3. Addiction Research and Treatment Center, Paul Brousse Hospital, Paris Sud-11 University, Villejuif, France;
4. Addictive and Compulsive Behaviours Lab, Institute for Health and Behaviour, University of Luxembourg, Esch-sur-Alzette, Luxembourg