In the laboratory (IMAGE) University of Bonn Caption (from left) Thomas Ostendorf, Prof. Dr. Gunther Hartmann, Dr. Eva Bartok and Dr. Thomas Zillinger from the Institute of Clinical Chemistry and Clinical Pharmacology at the University Hospital in Bonn. Credit © Photo: Rolf Müller/UKB Usage Restrictions This image may be used together with the press release. 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.