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1 Norwegian Labour Inspection Authority, Statens Hus, Trondheim 7468, Norway Norwegian Labour Inspection Authority (Retired), Statens Hus, Trondheim 7468, Norway Department of Occupational Medicine, Charles University, Ovocny 3-4, 116 36 Prague 1, Czech Republic Department of Medical and Surgical Sciences, Academic Discipline: MED/44 Occupational Medicine, Dipartimento di Scienze Mediche e Chirurgiche Via Massarenti 9, Bologna, Italy yogindra.samant@arbeidstilsynet.no a.wannag@getmail.no pavel.urban@szu.cz s.mattioli@unibo.it.
2 Norwegian Labour Inspection Authority, Statens Hus, Trondheim 7468, Norway Norwegian Labour Inspection Authority (Retired), Statens Hus, Trondheim 7468, Norway Department of Occupational Medicine, Charles University, Ovocny 3-4, 116 36 Prague 1, Czech Republic Department of Medical and Surgical Sciences, Academic Discipline: MED/44 Occupational Medicine, Dipartimento di Scienze Mediche e Chirurgiche Via Massarenti 9, Bologna, Italy.
1 Norwegian Labour Inspection Authority, Statens Hus, Trondheim 7468, Norway Norwegian Labour Inspection Authority (Retired), Statens Hus, Trondheim 7468, Norway Department of Occupational Medicine, Charles University, Ovocny 3-4, 116 36 Prague 1, Czech Republic Department of Medical and Surgical Sciences, Academic Discipline: MED/44 Occupational Medicine, Dipartimento di Scienze Mediche e Chirurgiche Via Massarenti 9, Bologna, Italy yogindra.samant@arbeidstilsynet.no a.wannag@getmail.no pavel.urban@szu.cz s.mattioli@unibo.it.
2 Norwegian Labour Inspection Authority, Statens Hus, Trondheim 7468, Norway Norwegian Labour Inspection Authority (Retired), Statens Hus, Trondheim 7468, Norway Department of Occupational Medicine, Charles University, Ovocny 3-4, 116 36 Prague 1, Czech Republic Department of Medical and Surgical Sciences, Academic Discipline: MED/44 Occupational Medicine, Dipartimento di Scienze Mediche e Chirurgiche Via Massarenti 9, Bologna, Italy.