Press photo (IMAGE) Karolinska Institutet Caption The research team: Florian Schober, Christoph Freyer, Anna Wredenberg and David Moore. Credit Karolinska Institutet Usage Restrictions The photo may only be used in connections to reports about this study. 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.