1 Division of Cardiology, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA; Data Science Initiative, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA. Electronic address: Michael.Domanski2@VA.Gov.
2 Division of Cardiology, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA.
3 Division of Cardiology, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA; Data Science Initiative, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA; Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA.