1. Department of Emergency Medicine Vanderbilt University Medical Center Nashville TN
2. Department of Biomedical Informatics Vanderbilt University Medical Center Nashville TN
3. Veterans Affairs Tennessee Valley Healthcare System Nashville TN
4. Division of Cardiovascular Medicine Department of Internal Medicine University of Michigan Ann Arbor MI
5. Michigan Integrated Center for Health Analytics and Medical Prediction Institute for Healthcare Policy and Innovation University of Michigan Ann Arbor MI