Authors (IMAGE) Technical University of Munich (TUM) Caption The authors Mathias Wilhelm, Tobias Schmidt and Siegfried Gessulat. Credit Astrid Eckert / TUM 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.