¹Coronel Institute of Occupational Health, Academic Medical Center, PO Box 22700, 1100 DE Amsterdam, Netherlands

²Dept of Public Health Sciences, Clinical Unit of Occupational Medicine, University of Trieste, Italy

³Occupational and Environmental Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden

⁴Department of Biomedical Engineering & Informatics, University Hospital of Northern Sweden, Umeå, Sweden

⁵Dept. of Occupational Medicine, Sundsvall Hospital, Sundsvall, Sweden

⁶Occupational and Environmental Medicine, Dept of Public Health & Clinical Medicine, Umeå University, Sweden

⁷Human factors Research Unit, Institute of Sound and Vibration Research, University of Southampton, UK

⁸MRC Environmental Epidemiology Unit, Southampton General Hospital, Southampton, UK