Dr. Matthew Freiberg (IMAGE) Vanderbilt University Medical Center Caption Matthew Freiberg, MD, MSc, a study principal investigator, Dorothy and Laurence Grossman Chair in Cardiology and professor of Medicine at VUMC. 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.