1. Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
2. Centre for Occupational and Environmental Medicine, Stockholm County Council, Stockholm, Sweden
3. Department of Cardiology and Internal Medicine, Belorussian State Medical University, Minsk, Belarus
4. Department of Occupational and Environmental Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
5. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden