[1] Univ Cantabria, Dept Med Prevent & Salud Publ, IDIVAL, ES-39008 Santander, Spain
[2] CIBER Epidemiol & Publ Hlth CIBERESP, Madrid 28029, Spain
[3] Hosp Univ Marques de Valdecilla, Rheumatol Div, IDIVAL, Epidemiol Genet & Atherosclerosis Res Grp Syst In, ES-39011 Santander, Spain
[4] Univ Colima, Inst Mexicano Seguro Social, Unidad Invest Biomed 02, Guadalajara 28040, Jalisco, Mexico
[5] Univ Witwatersrand, Fac Hlth Sci, Sch Physiol, Cardiovasc Pathophysiol & Genom Res Unit, ZA-2193 Johannesburg, South Africa
[6] Fac Med, Cardenal Herrera Oria S-N, ES-39008 Santander, Spain