Published on in Vol 17, No 6 (2015): June

1 Tactus Addiction Treatment, Enschede, The Netherlands
2 Nijmegen Institute for Scientist-Practitioners in Addiction, Nijmegen, The Netherlands
3 University of Twente, Department of Psychology, Health & Technology, Enschede, The Netherlands
4 Medisch Spectrum Twente, Medical School Twente, Enschede, The Netherlands
5 University of Twente, Department of Research Methodology, Measurement and Data Analysis, Enschede, The Netherlands
6 Aveleijn, Borne, The Netherlands
7 Radboud University, Behavioral Science Institute, Nijmegen, The Netherlands