1The Reference Center for Asbestos Exposure & Health Risk Assessment, Department of Environmental Epidemiology, Nofer Institute of Occupational Medicine, 8 Teresy St., 91-348 Łódź, Poland
2Central Register of Occupational Diseases, Department of Environmental Epidemiology, Nofer Institute of Occupational Medicine, 8 Teresy St., 91-348 Łódź, Poland
*Author to whom correspondence should be addressed.