[1] Univ Complutense, Hosp Clin San Carlos, Inst Invest Sanitaria Hosp Clin San Carlos IdISSC, Internal Med Dept, Madrid 28040, Spain
[2] Fdn Mejora Asistencia Sanitaria, Madrid 28008, Spain
[3] Hosp Univ 12 Octubre, Serv Control Gest, Madrid 28041, Spain
[4] Univ Santiago de Compostela, Complejo Hosp Univ Santiago, Serv Med Prevent, Rua Choupana S-N, Santiago 15706, Spain
[5] Hop Univ Strasbourg, Serv Med Interne, Diabet & Malad Metab, F-67000 Strasbourg, France
[6] Univ Rey Juan Carlos, Hosp Univ Fuenlabrada, Fac Ciencias Salud, Internal Med Dept, Madrid 28942, Spain
[7] Univ Rey Juan Carlos, Hosp Univ Rey Juan Carlos, Fac Ciencias Salud, Internal Med Dept, Madrid 28933, Spain