1. Center for Outcomes Research and Evaluation, Yale–New Haven Hospital, New Haven, Connecticut2Division of Cardiology, Department of Medicine, Columbia University Medical Center, New York, New York
2. Center for Outcomes Research and Evaluation, Yale–New Haven Hospital, New Haven, Connecticut3Section of General Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
3. Center for Outcomes Research and Evaluation, Yale–New Haven Hospital, New Haven, Connecticut4Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut