1. Department of Medicine, Yale University School of Medicine, New Haven, Connecticut
2. Center for Outcomes Research and Evaluation, Yale–New Haven Hospital, New Haven, Connecticut3Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
3. Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, Connecticut
4. Center for Outcomes Research and Evaluation, Yale–New Haven Hospital, New Haven, Connecticut4Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, Connecticut