Joaquin Mateo, VHIO (IMAGE) Vall d'Hebron Institute of Oncology Caption Joaquin Mateo, Principal Investigator of the Vall d'Hebron Institute of Oncology's (VHIO) Prostate Cancer Translational Research Group. Credit VHIO 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.