Perry Fernandez Laura, Catalanotti Jillian, Croffoot James
Division of Gerontology, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
Department of Medicine, The George Washington University, Washington, DC.
JAMA Intern Med. 2016 May 1;176(5):590-1. doi: 10.1001/jamainternmed.2016.0348.