1 Department of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arizona.
2 Division of Cardiology, Department of Medicine, UT Southwestern, Dallas, Texas; Parkland Health and Hospital System, Dallas, Texas.
3 Department of Medicine, Faculty of Health Sciences, McMaster Children's Hospital; Department of Health Research Methods, Evidence, and Impact, McMaster University Medical Centre, McMaster University, Hamilton, Ontario, Canada; Population Health Research Institute, Hamilton, Ontario, Canada; The Research Institute of St. Joe's Hamilton, Hamilton, Ontario, Canada.
4 Division of Cardiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
5 Division of Cardiology, Department of Medicine, School of Medicine, Duke University, Durham, North Carolina.
6 Division of Cardiology, Department of Medicine, School of Medicine, Duke University, Durham, North Carolina; Duke Clinical Research Institute, Durham, North Carolina. Electronic address: marat.fudim@duke.edu.