Gustaf Hellsen (IMAGE) University of Gothenburg Caption Gustaf Hellsén, intern physician and soon-to-be doctoral student at Sahlgrenska University Hospital, associated with Sahlgrenska Academy, University of Gothenburg. Photo: Elin Lindström Credit Elin Lindström. Usage Restrictions No restrictions. License Public Domain 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.