1. Research Department of Neurology Aarhus University Hospital Aarhus N Denmark
2. Department of Public Health Section of Nursing Faculty of Health Aarhus University Copenhagen NV Denmark
3. The Danish National Rehabilitation Center for Neuromuscular Diseases Aarhus Denmark
4. Institute of Public Health Section of Nursing University of Aarhus Denmark
5. Department of Intensive Care Aarhus University Hospital Aarhus N Denmark
6. University of Bergen Bergen Norway