Prof. Dr Olaf Groß (IMAGE) University of Freiburg Caption Prof. Dr Olaf Groß, head of the study, a scientist at the Institute of Neuropathology at the Medical Center – University of Freiburg and a member of the Cluster of Excellence CIBSS - Centre for Integrative Biological Signalling Studies at the University of Freiburg Credit Jürgen Gocke / University of Freiburg Usage Restrictions give credits 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.