1. Center for Palliative and Supportive Care, University of Alabama at Birmingham, Birmingham, AL, USA
2. Division of Geriatrics, Gerontology, and Palliative Care, University of Alabama at Birmingham—Birmingham, AL, USA
3. Division of General Pediatrics and Adolescent Medicine, University of Alabama at Birmingham—Birmingham, AL, USA
4. Birmingham/Atlanta VA Geriatric Research, Education, and Clinical Center (GRECC), Birmingham VA Medical Center—Birmingham, AL, USA