Ali Önder Yildirim and Gerrit John-Schuster, Helmholtz Zentrum München (image) Helmholtz Zentrum München - German Research Center for Environmental Health Share Print E-Mail Caption Drs. Ali Önder Yildirim and Gerrit John-Schuster, are part of the research team leading the study. Credit Courtesy of HMGU Usage Restrictions None 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.