Maria Jonson, Linköping University (IMAGE) Linköping University Caption This is Maria Jonson, research student, Linköping University. Credit Robin Karlsson Usage Restrictions Please use appropriate caption and credit 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.