Researcher photo (IMAGE) Walter and Eliza Hall Institute Caption Stephanie Studniberg and Associate Professor Diana Hansen (L-R) led the research discovery. Credit WEHI Usage Restrictions Must credit WEHI if resharing 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.