Chinn Garrett M, Liu Pang-Hsiang, Klabunde Carrie N, Kahn Katherine L, Keating Nancy L
Division of General Medicine, Department of Medicine, Massachusetts General Hospital, and Harvard Medical School, Boston.
Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts.
JAMA Intern Med. 2014 Mar;174(3):466-8. doi: 10.1001/jamainternmed.2013.12825.