Eiji Yoshioka and Sharon Hanley (IMAGE) Hokkaido University Caption Eiji Yoshioka (left), Asahikawa Medical University, and Sharon J. B. Hanley (right), Hokkaido University, key authors of the current study (Photo: Eiji Yoshioka, Sharon Hanley). Credit Eiji Yoshioka, Sharon Hanley Usage Restrictions This image is copyrightred but may be used to report this press release if credited as instructed. 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.