Tzu-Tung Chen (IMAGE) University of Gothenburg Caption Tzu-Tung Chen, doctoral student at the University of Gothenburg. Credit Tzu-Tung Chen Usage Restrictions None License Original 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.