1. Vrije Universiteit Amsterdam, The Netherlands
2. University of Graz, Austria
3. National Institute for Public Health and the Environment, Bilthoven, The Netherlands
4. Barcelona Biomedical Research Park, Spain
5. Universitat Pompeu Fabra, Barcelona, Spain
6. CIBER Epidemiología y Salud Pública, Madrid, Spain
7. Staffordshire University, Stoke-on-Trent, UK
8. Vytauto Didžiojo Universitetas, Kaunas, Lithuania