1. Department of Psychology, Humboldt University Berlin, Berlin, Germany
2. Max Planck Institute for Human Development, Berlin, Germany
3. URPP Dynamics of Healthy Aging, University of Zurich, Zurich, Switzerland
4. German Institute for Economic Research (DIW Berlin), Berlin, Germany
5. Department of Psychology & Centre for Hip Health and Mobility, University of British Columbia, Vancouver, British Columbia, Canada
6. Department of Psychology and Communication, Stanford University, Stanford, California, USA