[1] Inst Recerca St Joan de Deu, Res & Dev Unit, Barcelona, Spain
[2] Primary Care Prevent & Hlth Promot Res Network, Barcelona, Spain
[3] Inst Univ Invest Atenc Primaria Jordi Gol, Barcelona, Spain
[4] Univ Autonoma Barcelona, Bellaterra, Spain
[5] Univ Girona, Girona, Spain
[6] CIBER Epidemiologia Salud Publ CIBERESP, Madrid, Spain
[7] Univ Barcelona, Fac Farm, Barcelona, Spain
[8] Univ Zaragoza, Dept Psicol & Sociol, Zaragoza, Spain
[9] Univ Castilla La Mancha, Social & Hlth Res Ctr, Cuenca, Ecuador
[10] Serv Salud Illes Balears, Palma de Mallorca, Spain
[11] Inst Invest Sanit Ies Illes Balears, Gabinete Tecn Gerencia Atenc Primaria Mallorca, Serv Salud Illes Balears, Palma De Mallorca, Spain
[12] Inst Invest Biomed Malaga, Unidad Invest, Dist Atenc Primaria Malaga Guadalhorce, Malaga, Spain
[13] Inst Biomed Res Salamanca, Primary Hlth Care Res Unit, La Alamedilla, Salamanca, Spain
[14] Basque Hlth Serv Osakidetza, Primary Care Res Unit Bizkaia, Bilbao, Spain