1. 1Veterans Affairs Medical Center, Minneapolis, MN
2. 2University of Minnesota
3. 3Université de Montréal
4. 4Research Center of the Montreal Geriatric Institute affiliated with the Université de Montréal, Montréal
5. 5Donald Berman Maimonides Geriatric Centre, Montréal, Québec, Canada
6. 6Masaryk University, Brno, Czech Republic
7. 7St. Anne's Hospital, Brno, Czech Republic
8. 8University of Chicago