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| Catherine A Sarkisian | Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine at University of California los angeles |
| Catherine A Sarkisian | VA Greater Los Angeles Healthcare System Geriatrics Research & Clinical Center (GRECC) |
| Catherine A Sarkisian | Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine at University of California los angeles |
| Catherine A Sarkisian | VA Greater Los Angeles Healthcare System Geriatrics Research & Clinical Center (GRECC) |
| Bruce E Landon | Harvard Medical School and the Division of General Medicine, Beth Israel Deaconess Medical Center |
| John N Mafi | Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine at University of California los angeles |
| John N Mafi | RAND Corporation |