Dr. Michelle Gill, UT Southwestern Medical Center (image) UT Southwestern Medical Center Share Print E-Mail Caption Dr. Michelle Gill, assistant professor of pediatrics and internal medicine at UT Southwestern and lead author of the study appearing online and in the June edition of the Journal of Immunology. Credit UT Southwestern Medical Center Usage Restrictions With credit. 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.