1. Laboratory for Health Protection Research, National Institute for Public Health & the Environment (RIVM), Bilthoven, The Netherlands
2. Biomedical Photonic Imaging Group, MIRA-Institute for Biomedical Technology & Technical Medicine, Faculty of Science & Technology, University of Twente, The Netherlands
3. MiPlaza Material Analysis, Philips Research, High Tech Campus 11, 5656 AE Eindhoven, The Netherlands
4. Centre for Substances & Integrated Risk Assessment, National Institute for Public Health & the Environment (RIVM), Bilthoven, The Netherlands
5. University of Amsterdam, Academic Medical Center, Biomedical Engineering & Physics, Amsterdam, The Netherlands