Duc Dong, Ph.D. (IMAGE) Sanford Burnham Prebys Caption Senior author Duc Dong, Ph.D., associate professor at Sanford Burnham Prebys Credit Sanford Burnham Prebys Usage Restrictions Credit required. 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.