1. Center for Adaptive Rationality, Max Planck Institute for Human Development, Berlin, Germany (JEK, SMH, RHJMK)
2. AG Progress Test Medizin, Charité Medical School, Berlin, Germany (JEK)
3. Department of Emergency Medicine, Inselspital, University Hospital Bern, Bern, Switzerland (WEH)
4. German Institute for International Educational Research, Centre for International Student Assessment, Frankfurt am Main, Germany (OK-H)