1Division of Food Chemistry, National Food Institute, Technical University of Denmark, Søborg, Denmark
2Division of Toxicology and Risk Assessment, National Food Institute, Technical University of Denmark, Søborg, Denmark
3Department of Biomedical Sciences, The Panum Institute, University of Copenhagen, Copenhagen N, Denmark
4Department of Neurobiology, Institute of Anatomy, University of Aarhus, Aarhus C, Denmark
5Lab for Bio-Environmental Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
6Human Health and Safety, DHI, Hørsholm, Denmark