1. Norwegian Institute of Public Health; PO Box 4404 Nydalen Oslo Norway 0403
2. University of Saskatchewan; School of Physical Therapy; 104 Clinic Place Saskatoon SK Canada S7N 2Z4
3. Saskatoon Health Region; Saskatoon SK Canada S7J 5J4
4. University of Saskatchewan; Leslie and Irene Dube Health Sciences Library, University Library; Rm 1400 Health Sciences Building 104 Clinic Place Saskatoon SK Canada S7N 5E5