1. Idiap Research Institute Switzerland and Ecole Polytechnique Federale de Lausanne (EPFL), Switzerl and
2. Idiap Research Institute Switzerland and Ecole Polytechnique Federale de Lausanne (EPFL), Switzerland
3. Addiction Switzerland, Research Institute, Switzerland
4. University of Zurich, Switzerland
5. Addiction Switzerland, Research Institute, Switzerland and Radboud University, Netherland and Eotvos Lorand University, Hungary