AAAS researchers (IMAGE) Johns Hopkins Medicine Caption From left to right, Gregory Bergey, M.D., Xinzhong Dong, Ph.D., Rajini Rao, Ph.D., Douglas Robinson, Ph.D., M.Phil., Antony Rosen, M.B.Ch.B., M.S. Credit Johns Hopkins Medicine Usage Restrictions -- License Original 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.