1. Department of Environmental Medicine;
2. The Institute of Environmental Medicine, Unit of Metals & Health, Karolinska Institute, Stockholm, Sweden;
3. Department of Laboratory Medicine, Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
4. Department of Biostatistics and Computational Biology;
5. Department of Pediatrics;
6. Department of Public Health SciencesDepartment of Dentistry, University of Rochester School of Medicine and Dentistry, Rochester, New York;