1. From the Department of Health Policy and Management School of Public Health University of Maryland College Park MDUSA
2. the Department of Population Health Sciences School of Medicine and Public HealthUniversity of Wisconsin MadisonWIUSA
3. the Berkeley Research Group Washington DCUSA
4. and the Department of Emergency Medicine School of Medicine and Public Health University of Wisconsin Madison WIUSA
5. the Department of Emergency MedicineUniversity of Rochester Medical Center RochesterNYUSA
6. the Department of Public Health SciencesUniversity of Rochester Medical Center RochesterNYUSA
7. the Department of Medicine Division of Geriatrics University of Rochester Medical Center Rochester NYUSA
8. the Division of Geriatrics and Gerontology Department of Medicine School of Medicine and Public Health University of Wisconsin Madison WIUSA
9. and the William S. Middleton Veterans Affairs Geriatrics Research, Education, and Clinical Center Madison WIUSA