Viktor H. Ahlqvist, Karolinska Institutet (IMAGE) Karolinska Institutet Caption Viktor H. Ahlqvist, researcher at the Department of Global Public Health, Karolinska Institutet. Credit Jing Wu 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.