Anna Eklöf (IMAGE) Linköping University Caption Anna Eklöf, senior lecturer, Linköping University. Credit Anna Nilsen/LiU Usage Restrictions The contents may be downloaded, used and shared in media channels by, for example, journalists, bloggers, writers, pundits, etc., for purposes of communication, description and commenting on the related press release, on the condition that the contents are used unchanged and in their entirety. The creator must be specified. 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.