1. Regional Electron Microscopy Centre–Environmental Protection Agency of Lombardy Region, Milan, Italy
2. Formerly Occupational Health Unit, Local Health Authority and Mesothelioma Registry of Brescia, Brescia, Italy
3. Department of Earth and Environmental Sciences–DISAT, University of Milano-Bicocca, Milan, Italy
4. Biology and Biotechnology Department “L. Spallanzani”, University of Pavia, Pavia, Italy
5. Epidemiology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
6. Formerly Unit of Cancer Epidemiology, Department of Medical Sciences, CPO Piemonte and University of Turin, Turin, Italy