Petra Redfors, University of Gothenburg (IMAGE) University of Gothenburg Caption Petra Redfors is a neurologist and researcher at the Sahlgrenska Academy, University of Gothenburg. Credit The University of Gothenburg 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.