1. Helmholtz Zentrum München, German Research Center for Environmental Health, Institute of Epidemiology, Neuherberg, Germany
2. Human Studies Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina, USA
3. University of North Carolina, School of Medicine, Chapel Hill, North Carolina, USA
4. Human Exposure and Atmospheric Sciences Division, National Exposure Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina, USA
5. East Carolina School of Medicine, Greenville, North Carolina, USA
6. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
7. Division of Endocrinology, Diabetes, and Metabolism, Ohio State University, Columbus, Ohio, USA
8. Focus Network Nanoparticles and Health (NanoHealth), Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany