[1] Inst Catala Salut, Gerencia Terr Barcelona Atenco Primaria, Barcelona, Spain
[2] Univ Pompeu Fabra, Dept Ciencies Expt & Salut, Fac Med, Barcelona, Spain
[3] Inst Univ Invest Atencio Primaria Jordi Gol IDIAP, Barcelona, Spain
[4] Hosp Univ Bellvitge, Inst Catala Salut, Barcelona, Spain
[5] Inst Med & Rehabil, Clin St Antoni, Barcelona, Spain
[6] Univ Barcelona, Dept Med, Fac Med, Barcelona, Spain