[1] Univ Gavle, Fac Occupat & Hlth Sci, Dept Publ Hlth & Sports Sci, Kungsbacksvagen 47, S-80176 Gavle, Sweden
[2] Univ Porto, EPIUnit, Inst Saude Publ, Rua Taipas 135, P-4050600 Porto, Portugal
[3] Lab Invest Integrat & Translac Saude Populac ITR, Rua Taipas,135, P-4050600 Porto, Portugal
[4] Stockholm Univ, Dept Educ, Frescativagen 54, S-10691 Stockholm, Sweden
[5] Glasgow Caledonian Univ, Yunus Ctr Social Business & Hlth, M201,George Moore Bldg, Glasgow G4 0BA, Scotland
[6] Coompan Gavleborg, Drottninggatan 18, S-80320 Gavle, Sweden
[7] Univ Porto, Inst Sociol, Fac Letras, Via Panoram, P-4150564 Porto, Portugal
[8] Mid Sweden Univ, Fac Humanities, Dept Hlth Sci, Holmgatan 10, S-85170 Sundsvall, Sweden
[9] Univ Gavle, Publ Hlth & Epidemiol, Gavle, Sweden