1. Occupational Health Unit and Mesothelioma Registry ATS Brescia Brescia Italy
2. Epidemiology Unit Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milan Italy
3. Cancer Epidemiology Unit University of Turin and CPO Piemonte Turin Italy
4. Occupational Health Unit ASL Genoa and National Institute for Insurance against Accidents at Work (I.N.A.I.L.) Italy
5. Occupational Epidemiology Health and Safety Service AST MACERATA Civitanova Marche Italy
6. Occupational Health physician Florence Italy