[1] Umea Univ, Dept Community Med & Rehabil, Physiotherapy, Umea, Sweden
[2] Glasgow Caledonian Univ, Sch Hlth & Life Sci, Glasgow, Lanark, Scotland
[3] Umea Univ, Dept Publ Hlth & Clin Med, Sect Sustainable Hlth, Umea, Sweden
[4] Hlth & Social Care Adm, Ostersund, Sweden
[5] Umea Univ, Dept Epidemiol & Global Hlth, Umea, Sweden