1. Unit Applied Epidemiology, Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA), Germany
2. Department Safety and Health Organisation, German Social Accident Insurance Institution for the Woodworking and Metalworking Industries, Germany
3. Department Rehabilitation and Services, German Social Accident Insurance Institution for the Building Trade, Germany
4. Unit Vibration, Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA), Germany
5. Prevention Department, German Social Accident Insurance Institution for the Raw Materials and Chemical Industry, Germany
6. Office for Human Vibration in Workplaces, Germany