[1] Univ Bremen, Div Epidemiol Methods & Etiol Res, Bremen Inst Prevent Res & Social Med, D-28359 Bremen, Germany
[2] Univ Ghent, Fac Med & Hlth Sci, Dept Publ Hlth, Dept Movement & Sport Sci, B-9000 Ghent, Belgium
[3] Univ Liverpool, Kissileff Lab, Sch Psychol, Liverpool L69 3BX, Merseyside, England
[4] Univ Liverpool, Div Clin Epidemiol & Chron Illness, Liverpool L69 3BX, Merseyside, England
[5] Univ Illes Balears, Lab Mol Biol Nutr & Biotechnol, Palma de Mallorca, Spain
[6] CNR, Unit Epidemiol & Populat Genet, Inst Food Sci & Technol, Avellino, Italy
[7] Karolinska Inst, Dept Biosci, Unit Prevent Nutr, Stockholm, Sweden