1. S. Bernhardsson, PT, MSc, Region Västra Götaland, Närhälsan Öckerö Rehabilitation, Strandvägen 35, 475 40 Hönö, Sweden, and Department of Medical and Health Sciences, Division of Physiotherapy, Linköping University, Linköping, Sweden.
2. K. Johansson, PT, PhD, Department of Medical and Health Sciences, Division of Physiotherapy, Linköping University.
3. P. Nilsen, PhD, Department of Medical and Health Sciences, Division of Health Care Analysis, Linköping University.
4. B. Öberg, PT, PhD, Department of Medical and Health Sciences, Division of Physiotherapy, Linköping University.
5. M.E.H. Larsson, PT, PhD, Region Västra Götaland, Närhälsan Research and Development Unit, Primary Health Care, Gothenburg, Sweden, and The Sahlgrenska Academy at Gothenburg University, Institute of Neuroscience and Physiology/Physiotherapy, Gothenburg, Sweden.