Niforatos Joshua D, Chaitoff Alexander, Weaver Matt, Feinstein Max M, Johansen Michael E
Department of Emergency Medicine, The Johns Hopkins Hospital/The Johns Hopkins School of Medicine, Baltimore, MD, USA.
Department of Internal Medicine, Brigham and Women's Hospital/Harvard Medical School, Boston, MA, USA.
J Clin Epidemiol. 2020 May;121:112-114. doi: 10.1016/j.jclinepi.2020.01.014. Epub 2020 Jan 28.