Affiliation: | 1. Occupational Medicine, Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Ancona, Italy;2. Section of Occupational Medicine, Department of Internal Medicine and Systemic Diseases, University of Catania, Catania, Italy;3. Healthcare Workers Service, Azienda Sanitaria Unica Regionale (ASUR) Marche, Loreto Hospital, Loreto, Italy |