Dr. Wesley Self (IMAGE) Vanderbilt University Medical Center Caption Wesley H. Self, MD, MPH, Senior Vice President for Clinical Research at VUMC and senior author of the study Credit Vanderbilt University Medical Center Usage Restrictions Vanderbilt University Medical Center License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.