Nikolas Herold, Karolinska Institutet (IMAGE) Karolinska Institutet Caption Nikolas Herold, researcher at the Department of Women's and Children's Health at Karolinska Institutet. Credit Karolinska Universitetssjukhuset 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.