Cugnata, Federica, University Centre of Statistics for Biomedical Sciences (CUSSB), Vita-Salute San Raffaele University,<br />Via Olgettina Milano 58, 20132 Milano, Italy
GRASPA 2019 is organised with the support of "Dipartimento di Economia", University "G. d'Annnunzio", Chieti-Pescara