Dr. Robert Timmerman and Sheree Kincaid (IMAGE) UT Southwestern Medical Center Caption Dr. Robert Timmerman and radiation therapist, Sheree Kincaid, get patient Breihan Bridgewater ready for treatment. Credit UT Southwestern Medical Center Usage Restrictions None 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.