Researchers (IMAGE) UT Southwestern Medical Center Caption This photo shows (l-r) Drs. Sebastian Winter, Ezra Burstein, and Wenhan Zhu. Credit UTSW 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.