1 Emergency Division of Health Policy and Public Health, Department of Emergency Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA (Dr Faust). Electronic address: jsfaust@gmail.com.
2 Department of Genetic Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD (Dr Rasmussen).
3 and Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA (Dr Jamieson).