[1] Inst Catala Salut ICS, Primary Care, Tortosa, Spain
[2] Rovira & Virgili Univ, Dept Med, Reus, Spain
[3] Luther Coll, Dept Psychol, Decorah, IA USA
[4] Luther Coll, Dept Nursing, Decorah, IA USA
[5] St Pau & St Tecla Hosp, Internal Med Unit, Tarragona, Spain
[6] Rovira & Virgili Univ, Fac & Dept Nursing, Tarragona, Spain
[7] United Hosp Allina Hlth, Res Div, Minneapolis, MN USA
[8] Santa Maria Hosp, Lleida, Spain
[9] Lleida Univ, Fac Nursing & Physiotherapy, Lleida, Spain
[10] Mayo Clin, Div Gen Internal Med, Rochester, MN USA
[11] Inst Univ Invest Atencio Primaria Jordi Gol, Unitat Suport Recerca Terres Ebre, Tortosa, Spain
[12] Inst Catala Salut, Unitat Docent Med Familia & Comunitaria Tortosa Te, Tortosa, Spain
[13] Inst Catala Salut, Unitat Avaluacio, Direccio Atencio Primaria Terres Ebre, Tortosa, Spain