Debra Zand, Saint Louis University (IMAGE) Saint Louis University Caption Debra Zand, Ph.D., is an associate professor of pediatrics at Saint Louis University and the principal investigator of the trial. Credit Riya V. Anandwala 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.