Fig. 2

Antoni Castells. Antoni Castells is Associate Professor at the University of Barcelona, School of Medicine. He is a specialist in gastroenterology, and since 2016, has been Medical Director of the Hospital Clinic of Barcelona. His professional activity has been related to colorectal cancer, involving its diagnosis, therapeutics and prevention, being Coordinator of the Colorectal Cancer Unit and Co-coordinator of the Barcelona Colorectal Cancer Screening Program. His research achievements are mainly derived from two internationally-recognized studies, the EPICOLON and COLONPREV projects, in which he is leading principal investigator