[1] Univ Helsinki, Dept Food & Nutr, FIN-00014 Helsinki, Finland
[2] Univ Helsinki, Sociol, FIN-00014 Helsinki, Finland
[3] Childrens Hosp Eastern Ontario Res Inst, Ottawa, ON K1H 8L1, Canada
[4] Pennington Biomed Res Ctr, 6400 Perkins Rd, Baton Rouge, LA 70808 USA
[5] Univ South Australia, Sch Hlth Sci, ARENA, Adelaide, SA 5001, Australia
[6] Univ Porto, CIFI2D, Fac Desporto, P-4200450 Porto, Portugal
[7] Univ los Andes, Sch Med, Bogota 11001000, Colombia
[8] Univ Bath, Dept Hlth, Bath BA2 7AY, Avon, England
[9] Univ Massachusetts, Sch Publ Hlth & Hlth Sci, Dept Kinesiol, Amherst, MA 01003 USA