[1] Hosp Gen Univ Gregorio Maranon, Dept Prevent Med & Publ Hlth, Madrid, Spain
[2] Univ Complutense Madrid, Dept Prevent Med, Madrid, Spain
[3] La Victoria Acentejo Hlth Ctr, Santa Cruz De Tenerife, Spain
[4] Martin de Vargas Hlth Ctr, Madrid, Spain
[5] Porrino Hlth Ctr, Pontevedra, Spain
[6] Hereza Hlth Ctr, Madrid, Spain
[7] Raval Sud Primary Care Team, Barcelona, Spain
[8] Tafalla Hlth Ctr, Navarra, Spain
[9] Zumaia Hlth Ctr, Guipuzcua, Spain
[10] Torrero La Paz Hlth Ctr, Zaragoza, Spain
[11] Es Castell Basic Hlth Unit, Islas Baleares, Spain
[12] Yecla Hlth Ctr, Murcia, Spain
[13] Family & Community Med Teaching Unit, Cantabria, Spain
[14] Hosp Mar, Endocrinol & Nutr Dept, Barcelona, Spain
[15] CIBERESP, Consortium Biomed Res Epidemiol Publ Hlth, Madrid, Spain