1. Department of Emergency Medicine; Vanderbilt University Medical Center; Nashville TN USA
2. Department of Biostatistics; Vanderbilt University Medical Center; Nashville TN USA
3. Department of Internal Medicine; Vanderbilt University Medical Center; Nashville TN USA
4. Department of Pharmacology; Vanderbilt University Medical Center; Nashville TN USA
5. Department of Internal Medicine, Division of Clinical Pharmacology; Vanderbilt University Medical Center; Nashville TN USA
6. Department of Internal Medicine, Division of Nephrology; Vanderbilt University Medical Center; Nashville TN USA
7. Department of Internal Medicine, Division of Cardiology; Yale University; New Haven CT USA
8. Department of Internal Medicine, Division of Cardiology; Vanderbilt University Medical Center; Nashville TN USA