David Gerber and Simon J. Craddock Lee, UT Southwestern Medical Center (image) UT Southwestern Medical Center Share Print E-Mail Caption From left to right are: Drs. David Gerber and Simon J. Craddock Lee. Credit UT Southwestern Usage Restrictions None Share Print E-Mail 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.