[1] Univ Glasgow, Yorkhill Hosp, Div Dev Med, Human Nutr Sect, Glasgow, Lanark, Scotland
[2] INRA, Unite Ecol & Physiol Syst Digestif, Jouy En Josas, France
[3] Azienda Osped Santa Maria Nuova, Dept Paediat, Reggio Emilia, Italy
[4] Univ Modena & Reggio Emilia, Dept Paediat, Modena, Italy
[5] Karolinska Inst, Sachs Childrens Hosp, Sodersjukhuset, Dept Clin Sci & Educ, Stockholm, Sweden
[6] Univ Med Ctr, Dept Paediat & Adolescent Med, Mannheim, Germany
[7] Univ Granada, Dept Biochem & Mol Biol, E-18071 Granada, Spain
[8] Karolinska Inst, Dept Microbiol Tumor & Cell Biol, Stockholm, Sweden
[9] Univ Strathclyde, Dept Stat & Modelling Sci, Glasgow, Lanark, Scotland
[10] Flinders Univ S Australia, Sch Med, Adelaide, SA 5001, Australia