Charleston Chiang PhD (IMAGE) Keck School of Medicine of USC Caption Charleston Chiang PhD, Center for Genetic Epidemiology, Keck School of Medicine of USC Credit Richard Carrasco 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.