UB SCIENTIFIC TEAM (IMAGE) University of Barcelona Caption The experts Marta Carol and Núria Fabrellas (UB-CIBEREHD-CLÍNIC-IDIBAPS). Credit UB-CIBEREHD-CLÍNIC-IDIBAPS Usage Restrictions Credit must be given to the creator. License CC BY 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.