1. Division of Surface and Corrosion Science, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology, and Health; KTH Royal Institute of Technology; Stockholm Sweden
2. Department of Medical Informatics, Biometry and Epidemiology; University of Erlangen/Nürnberg; Erlangen Germany
3. Guy's Hospital; St John's Institute of Dermatology; London UK
4. Lewisham and Greenwich NHS Trust; London UK
5. Centre for Occupational and Environmental Medicine; Stockholm County Council; Stockholm Sweden
6. National Allergy Research Centre; University Hospital Herlev-Gentofte; Hellerup Denmark
7. Institute of Environmental Medicine; Karolinska Institutet; Stockholm Sweden