[1] Lithuanian Univ Hlth Sci, Dept Prevent Med, LT-49264 Kaunas, Lithuania
[2] Jagiellonian Univ, Med Coll, Dept Hyg & Dietet, PL-31034 Krakow, Poland
[3] Univ Bremen, Inst Publ Hlth & Nursing Res, Cooperat Res Grp Evidence Based Publ Hlth EBPH, Achterstr 30, D-28359 Bremen, Germany
[4] Leibniz Inst Prevent Res & Epidemiol BIPS, Achterstr 30, D-28359 Bremen, Germany
[5] Univ Bremen, Hlth Sci Bremen, Bibliothekstr 1, D-28359 Bremen, Germany