Expertos UB (IMAGE) University of Barcelona Caption Los investigadores Bru Cormand y Noèlia Fernàndez Castillo, de la Facultad de Biología y el Instituto de Biomedicina de la Universidad de Barcelona (IBUB), el IRSJD y el CIBERER. Credit Universidad de Barcelona Usage Restrictions The image may only be used with appropriate caption or credit. 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.