Livio Garattini1, Anna Padula2. 1. CESAV, Centre for Health Economics, IRCCS Institute for Pharmacological Research "Mario Negri", 24020, Ranica, Italy. livio.garattini@marionegri.it. 2. CESAV, Centre for Health Economics, IRCCS Institute for Pharmacological Research "Mario Negri", 24020, Ranica, Italy.