Duke-NUS Medical School Researchers (IMAGE) Duke-NUS Medical School Caption Researchers from left to right: Professor David Marc Virshup, Asst Prof Yoko Itahana, Dr Lee Ha Yin, and Assoc Prof Koji Itahana. Credit Duke-NUS Medical School 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.