Robert Witt, M.D., Christiana Care, and Swati Pradhan Bhatt, University of Delaware (image) University of Delaware Share Print E-Mail Caption Christiana Care's Robert Witt, M.D., is pictured with UD post-doctoral fellow Swati Pradhan Bhatt. Credit Christiana Care Health System Usage Restrictions Image must include credit to Christiana Care Health System. 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.