IL-6 promoter polymorphisms and quantitative traits related to the metabolic syndrome in KORA S4. - Grallert,H.; Huth,C.; Kolz,M.; Meisinger,C.; Herder,C.; Strassburger,K.; Giani,G.; Wichmann,HE.; Adamski,J.; Illig,T.; Rathmann,W. (Exp Gerontol, 2006)