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