Professor Andreas Schlitzer (IMAGE) University of Bonn Caption Professor Andreas Schlitzer from LIMES at the University of Bonn is studying immune cells together with his working group. Credit Photo: Barbara Frommann/University of Bonn Usage Restrictions The image may be used together with the press release. 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.