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 Department of Community Medicine, Faculty of Health Sciences, University of Troms, The Arctic University of Norway, Troms, Norway.
4 Department of Research, Cancer Registry of Norway, Institute of Population-Based Cancer Research, Oslo, Norway.
5 Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
6 Genetic Epidemiology Group, Folkhlsan Research Center, and Faculty of Medicine, Helsinki University, Helsinki, Finland.
7 Oslo Centre for Biostatistics and Epidemiology, Oslo University Hospital and Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway.
8 Department of Occupational Health and Safety, Research Center for Health, Safety and Environment, Alborz University of Medical Sciences, Karaj, Iran.