1. Universität Zürich, Lehrstuhl Gerontopsychologie; Psychologisches Institut; Binzmühlestrasse 14/24 Zürich Switzerland CH-8050
2. University of Wales Bangor; School of Psychology; Bangor Gwynedd, Wales UK LL57 2AS
3. University of Dresden; Dresden Germany
4. Oregon Health and Science University; Department of Neurology; 9351 SW 12th Drive Portland Oregon USA OR 97219