Zezong Gu, University of Missouri Health (IMAGE) University of Missouri-Columbia Caption Zezong Gu, Ph.D., is an associate professor of pathology and anatomical sciences at the MU School of Medicine and lead author of the study. Credit Justin Kelley, University of Missouri Health 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.