Viktor Carlsson, University of Gothenburg (IMAGE) University of Gothenburg Caption Viktor Carlsson, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg is pictured. Credit University of Gothenburg 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.