1. Centre for Occupational and Environmental Health, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre , Manchester , United Kingdom
2. Institute of Occupational Medicine , Edinburgh , United Kingdom
3. Department of Public Health, Environment, Occupation and Health, Danish Ramazzini Centre, Aarhus University , Aarhus , Denmark
4. Finnish Institute of Occupational Health , Helsinki , Finland
5. Department of Occupational Medicine, Danish Ramazzini Centre, Aarhus University Hospital , Aarhus , Denmark
6. INRS, Centre de Lorraine , Vandoeuvre Les Nancy , France
7. Department of Chemical and Biological Work Environment, National Institute of Occupational Health , Oslo , Norway
8. Institute for Risk Assessment Sciences, Utrecht University , Utrecht , The Netherlands