Niklas Mejhert (IMAGE) Karolinska Institutet Caption Niklas Mejhert, researcher at the Department of Medicine, Huddinge, Karolinska Institutet. Credit Nancy Farese Usage Restrictions None 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.