Press photo (IMAGE) Karolinska Institutet Caption Goodluck Lyatuu, doctor and doctoral student at the Department of Global Public Health, Karolinska Institutet. Credit Karolinska Institutet. 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.