Lee Sei J, Leipzig Rosanne M, Walter Louise C
Division of Geriatrics, University of California, San Francisco.
Brookdale Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai, New York, New York.
JAMA. 2013 Dec 25;310(24):2609-10. doi: 10.1001/jama.2013.282612.