Alessandro Curto1, Katelijne van de Vooren1, Livio Garattini2. 1. CESAV, Centre for Health Economics, IRCCS Institute for Pharmacological Research 'Mario Negri', Via Camozzi 3 c/o Villa Camozzi, 24020, Ranica, BG, Italy. 2. CESAV, Centre for Health Economics, IRCCS Institute for Pharmacological Research 'Mario Negri', Via Camozzi 3 c/o Villa Camozzi, 24020, Ranica, BG, Italy. livio.garattini@marionegri.it.