1. Academic Medical Center, Department: Coronel institute of Occupational Health; Amsterdam Public Health Research Institute; 1105 AZ Amsterdam The Netherlands
2. Department of Dermatology-Allergology; VU University Medical Centre; 1081 HV Amsterdam The Netherlands
3. Department of Dermatology and Venereology; University Hospital Centre Zagreb and University of Zagreb School of Medicine; 10000 Zagreb Croatia
4. Faculty of Food Technology and Biotechnology, Laboratory for Analytical Chemistry, Department of Chemistry and Biochemistry; University of Zagreb; 10000 Zagreb Croatia
5. Department of Dermatology and Venereology, University Clinical Hospital Centre ‘Sestre Milosrdnice’; 10000 Zagreb Croatia
6. Centre for Nanotechnology, Serend-ip GmbH; Centre for Nanotechnology; 48149 Münster Germany
7. Skin Research Laboratory, Department of Pharmaceutics; University College London; WC1N 1AX London UK
8. DSM Nutritional Products Ltd.; 4002 Basel Switzerland
9. Laboratory of Tissue Biology and Therapeutic Engineering; CNRS and University of Lyon; UMR 5305 Lyon France