1. Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
2. Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, Tennessee
3. Geriatric Research, Education, and Clinical Center, Tennessee Valley Healthcare System, Nashville, Tennessee
4. Division of Health Policy and Management, University of Minnesota School of Public Health, Minneapolis
5. Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan, Ann Arbor
6. Michigan Integrated Center for Health Analytics and Medical Prediction, Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor
7. Department of Emergency Medicine, UCLA-Olive View, Los Angeles, California
8. Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, Tennessee
9. Department of Emergency Medicine, University of California at San Francisco, San Francisco
10. Philip R. Lee Institute for Health Policy Studies, University of California at San Francisco, San Francisco