1 Department of Medicine, Division of Cardiology, University of California San Francisco, San Francisco, California, USA. Electronic address: connor.obrien@ucsf.edu.
2 Department of Medicine, Division of Cardiology, University of California San Francisco, San Francisco, California, USA.
3 Levine Cardiac Intensive Care Unit, TIMI Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA.