1 From Division of Cardiology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL. Electronic address: konrad-sawicki@northwestern.edu.
2 Department of Cardiology, Kaiser Permanente San Francisco Medical Center, San Francisco, CA; Division of Research, Kaiser Permanente Northern California, CA; Department of Health Systems Science, Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, CA.