[1] Osakidetza, Act Patient Programme, Gros Hlth Ctr, Avda Navarra 14, San Sebastian 20013, Spain
[2] Torre BEC, Kronikgune Res Ctr Chron, Ronda Azkue 1, Baracaldo 48902, Bizkaia, Spain
[3] Biodonostia Hlth Res Inst, San Sebastian 20014, Spain
[4] Primary Care Org Integrated Hlth Serv Gipuzkoa, Res Unit, San Sebastian 20014, Spain
[5] REDISSEC Hlth Serv & Chron Dis Res Network, San Sebastian, Spain
[6] Osakidetza, Donostialdea Integrated Hlth Org, Ondarreta Hlth Ctr, C Zumalakarregi 24, San Sebastian 20008, Spain
[7] Primary Care Res Unit Bizkaia, C Luis Power 18 Planta 4, Bilbao 48014, Spain
[8] Osakidetza, Donostialdea Integrated Hlth Org, Gros Hlth Ctr, Ave Navarra 14, San Sebastian 20013, Spain
[9] Osakidetza, Donostialdea Integrated Hlth Org, Bidebieta Hlth Ctr, Paseo Julio Urkijo S-N, Donostia San Sebastian 20016, Spain
[10] O Berri, Basque Inst Healthcare Innovat, Torre BEC Bilbao Exhibit Ctr, Ronda Azkue 1, Baracaldo 48902, Bizkaia, Spain
[11] Family Med & Community Teaching Unit Bizkaia, C Luis Power 18 Planta 4, Bilbao 48014, Spain
[12] Osakidetza, Araba Integrated Hlth Org, Olaguibel Hlth Ctr, C Olaguibel 31, Vitoria 01004, Spain
[13] Osakidetza, Ezkerraldea Enkarrterri Cruces Integrated Hlth Or, Ortuella Hlth Ctr, Ave Minero S-N, Ortuella 48530, Bizkaia, Spain
[14] Osakidetza, Bidasoa Integrated Hlth Org, Hondarribia Hlth Ctr, C Matxin de Arzu 2, Hondarribia 20280, Gipuzkoa, Spain
[15] Osakidetza, Donostialdea Integrated Hlth Org, Alza Hlth Ctr, Paseo Larratxo 95, San Sebastian 20017, Spain