1. AstraZeneca, OSHE Department; SE-151 85 Södertälje Sweden
2. Department of Molecular Toxicology/Immunotoxicology, Safety Assessment, AstraZeneca R&D; SE-151 85 Södertälje Sweden
3. Centre for Occupational and Environmental Medicine, Stockholm County Council, Solnavägen 4; SE-113 65 Stockholm and Institute of Environmental Medicine, Karolinska Institutet; SE-171 76 Stockholm Sweden
4. Department of General Toxicology Sciences, Safety Assessment, AstraZeneca R&D; SE-151 85 Södertälje Sweden
5. AstraZeneca R&D; SE-431 83 Mölndal Sweden