1. Haapsalu Neurological Rehabilitation Centre, Haapsalu, Estonia
2. Department of Rehabilitation, Astangu Vocational Rehabilitation Centre, Tallinn, Estonia
3. School of Health and Welfare, A.D.U.L.T. Research Group, Jönköping University, Jönköping, Sweden
4. Department of Rehabilitation, School of Health and Welfare, Jönköping University, Jönköping, Sweden