1. Zurich Center for Neuroeconomics Department of Economics University of Zurich Zurich Switzerland
2. Department of Child and Adolescent Psychiatry University Psychiatric Clinics Basel Basel Switzerland
3. DICE Heinrich Heine University of Dusseldorf Dusseldorf Germany
4. Chair of Public and Behavioral Economics Johannes Gutenberg University of Mainz Mainz Germany
5. Chair of Statistics and Econometrics Johannes Gutenberg University of Mainz Mainz Germany