Resarcher Team of the Study (IMAGE) University of Córdoba Caption Velantina Lucena, Antonio Raya, Rosario Ruiz Olivares and Javier Herruzo Credit Universidad de Córdoba (Spain) Usage Restrictions None 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.