1. Behavioural and Social Neuroscience Research Group, CEITEC–Central European Institute of Technology, Masaryk University, Brno, Czech Republic.
2. Department of Psychiatry, University Hospital Brno and Faculty of Medicine, Masaryk University, Brno, Czech Republic.
3. First Department of Neurology, Faculty of Medicine, Masaryk University and St. Anne's Teaching Hospital, Brno, Czech Republic.
4. Psychiatry Department, University of Montreal, Montreal, Canada.
5. Functional Neuroimaging Unit, Research Centre of the Montreal Geriatric Institute, Montreal, Canada.
6. Centre for Research on Aging, Donald Berman Maimonides Geriatric Centre, Montreal, Canada.
7. Department of Neurology, Medical School, University of Minnesota, Minneapolis, Minnesota.