1 Department of Occupational Health and Safety, Faculty of Health, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
2 School of Health and Nutrition, Bushehr University of Medical Sciences, Bushehr, Iran.
3 International Agency for Research on Cancer, World Health Organization, Lyon, France.
4 Department of Occupational Health and Safety Engineering, Research Center for Health, Safety and Environment, Alborz University of Medical Sciences, Karaj, Iran.
5 Department of Research, Cancer Registry of Norway - Institute of Population-based Cancer Research, Oslo, Norway.
6 Oslo Centre for Biostatistics and Epidemiology, Research Support Services, Oslo University Hospital, Oslo, Norway.