Li-Chueh Weng, Chang Gung University (IMAGE) Wiley Caption This is co-author Dr. Weng, Chang Gung University. Credit Dr. Weng Usage Restrictions to be used with news articles related to this study. 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.