Verma Amol A, Razak Fahad, Detsky Allan S
Department of Medicine, University of Toronto, Toronto, Ontario, Canada.
Department of Medicine, University of Toronto, Toronto, Ontario, Canada2Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto3Harvard Center for Population and Development Studies, Boston, Massachusetts.
JAMA. 2014 Feb 12;311(6):571-2. doi: 10.1001/jama.2013.285245.