1. Department of Clinical Sciences and Community Health, Laboratory of Medical Statistics, Biometry and Epidemiology “G.A. Maccacaro”, University of Milan, Milan, Italy
2. Health Management Department, Fondazione IRCCS Ca’ Granda OMP, Milan, Italy
3. Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
4. Prevention Department, ATS Di Brescia (Brescia Health Protection Agency), Brescia, Italy