Dr. Matthew Semler (IMAGE) Vanderbilt University Medical Center Caption Matthew Semler, MD, MSc, assistant professor of Medicine in the Division of Allergy, Pulmonary and Critical Care Medicine and co-principal investigator of the study along with Jin Han, MD, MSc. Credit Vanderbilt University Medical Center Usage Restrictions Vanderbilt University Medical Center 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.