Alberto d'Onofrio is principal investigator in Systems Biomedicine at the European Institute of Oncology. His research interests focus on the application of mathematical and theoretical physics methodologies to study tumor biology, and the spread of infectious diseases. Webpage: http://www.ifom-ieo-campus.it/research/donofrio.phpPaola Cerrai is researcher at the Department of Mathematics of Pisa University, where she lectures in Mathematics and Statistics at the faculty of Biology. Her research interests focus on Mathematical Biology and Medicine. In particular: population dynamics, motion of bacteria and, more recently, growth of tumours and their interactions with the Immune System. She is also interested in the process (and in the related difficulties) of learning probability and statistics. She is intensely active in promoting the interdisciplinary cultural dialogue by organizing conferences and seminars.Alberto Gandolfi works at Istituto di analisi dei Sistemi e di Informatica.