1. BASF SE Material Physics, Ludwigshafen, Germany,
2. Department of Chemicals and Product Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany,
3. Department of Pharmacy, Biopharmaceutics and Pharmaceutical Technology, Saarland University, Saarbrücken, Germany,
4. IBE R& D gGmbH, Institute for Lung Health, Münster, Germany,
5. BASF SE Biophysics & Proteomics, Ludwigshafen, Germany,
6. Biomedical Technology Center, Westfälische Wilhelms-University, Münster, Germany,
7. Department of Proteomics, Helmholtz Centre for Environmental Research (UFZ), Leipzig, Germany,
8. Institute of Energy and Environmental Technology (IUTA) E.V, Air Quality & Sustainable Nanotechnology, Duisburg, Germany,
9. Center for Nanointegration CENIDE, University of Duisburg-Essen, Duisburg, Germany, and
10. Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Saarbrücken, Germany