1. B. Waller, PT, MSc, Department of Health Sciences, University of Jyvaskyla, PO Box 35, FI-40014, Jyvaskyla, Finland.
2. A. Ogonowska-Slodownik, MSc, Faculty of Rehabilitation, Jozef Pilsudski University of Physical Education, Warsaw, Poland.
3. M. Vitor, MSc, Faculty of Sport, University of Porto, Porto, Portugal.
4. J. Lambeck, PT, BHS, KU Leuven, Faculty of Kinesiology and Rehabilitation Sciences, Leuven, Belgium.
5. D. Daly, PhD, KU Leuven, Faculty of Kinesiology and Rehabilitation Sciences.
6. U.M. Kujala, MD, PhD, Department of Health Sciences, University of Jyvaskyla.
7. A. Heinonen, PhD, Department of Health Sciences, University of Jyvaskyla.