1. Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
2. Department of Occupational and Environmental Medicine, Graduate School
of Medicine, Chiba University, Chiba, Japan
3. Swedish Chemicals Inspectorate, Sundbyberg, Sweden
4. Department of Occupational and Environmental Medicine, Lund University, Lund, Sweden
5. Department of Community Health, Malmö University Hospital, Malmö, Sweden