Lena Jonasson, Linköping University (IMAGE) Linköping University Caption This is Lena Jonasson, professor at Linköping University, Sweden. Credit Emma Busk Winquist Usage Restrictions Please use proper 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.