1. University of Connecticut School of Medicine Farmington Connecticut USA
2. Department of Emergency Medicine Yale School of Medicine New Haven Connecticut USA
3. Departments of Emergency Medicine and Population Health New York University New York City New York USA
4. Geriatric Research, Education and Clinical Center, James J. Peters VAMC Bronx New York USA
5. Yale School of Public Health New Haven Connecticut USA
6. Center for Outcomes Research and Evaluation, Yale School of Medicine New Haven Connecticut USA
7. Division of Geriatrics, Department of Medicine University of Colorado Anschutz Medical Campus Aurora Colorado USA
8. Institute of Gerontology & Department of Psychology Wayne State University Detroit Michigan USA