UAB Researchers (IMAGE) Universitat Autonoma de Barcelona Caption This is F. Xavier Àlvarez, Pol Torres, Àlvar Torelló (on the tablet screen, by videoconference) and Xavier Cartoixà. Credit UAB Usage Restrictions Credits must be cited 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.