Photo of Researcher (IMAGE) Karolinska Institutet Caption Marcus Buggert, assistant professor at the Department of Medicine, Huddinge, at Karolinska Institutet. Credit Christina Sandström 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.