1. Department of Public and Occupational Health, Coronel Institute of Occupational Health, Amsterdam Public Health research institute; Amsterdam UMC, University of Amsterdam; Amsterdam Netherlands
2. Cochrane Work, Department of Public and Occupational Health; Amsterdam UMC, University of Amsterdam; Amsterdam Netherlands
3. Deutsche Krankenhausgesellschaft (The German Hospital Federation); Berlin Germany
4. SGBO; Radboud University Medical Centre; Nijmegen Netherlands
5. Department of Health Sciences, Community and Occupational Medicine; University Medical Center Groningen, University of Groningen; Groningen Netherlands
6. ENRGY in Business Group; Amsterdam Netherlands