1. Department of Library, Information Science, and Communication, University of Barcelona, Barcelona, Spain
2. International Gaming Research Unit, Psychology Department, Nottingham Trent University, Nottingham, UK
3. Department of Psychiatry, University Hospital of Bellvitge-IDIBELL, Barcelona, Spain
4. Ciber Fisiopatologia Obesidad Y Nutrición (Ciberobn), Instituto Salud Carlos III, Madrid, Spain
5. Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain