Dr. Bao-Xi Qu and Dr. Roger Rosenberg (IMAGE) UT Southwestern Medical Center Caption Dr. Bao-Xi Qu and Dr. Roger Rosenberg Credit UT Southwestern Usage Restrictions none License Licensed 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.