Zhe Han, Ph.D. (IMAGE) Children's National Hospital Caption This is Zhe Han, Ph.D., an associate professor in Children's Center for Genetic Medicine Research, Credit Children's National Usage Restrictions Please credit Children's National 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.