1. Center for Health Outcomes and Interdisciplinary Research, Massachusetts General Hospital, Boston, Massachusetts, USA
2. Department of Psychiatry, Harvard Medical School, Boston, Massachusetts, USA
3. MGH Institute of Health Professions, School of Nursing, Boston, Massachusetts, USA
4. School of Nursing, University of Missouri Sinclair School of Nursing, Columbia, Missouri, USA
5. Division of Geriatrics and Palliative Medicine, Weill Cornell Medical College, New York, New York, USA
6. MGH Institute of Health Professions, Bellack Library, Boston, Massachusetts, USA