[1] Inst Child Hlth, Childhood Nutr Res Ctr, UCL Great Ormond St,30 Guilford St, London, England
[2] Univ Hosp Motol, Dept Paediat, Prague, Czech Republic
[3] Univ Granada, Dept Paediat, Granada, Spain
[4] Umea Univ, Dept Clin Sci Pediat, Umea, Sweden
[5] Newcastle Hosp NHS Trust, Newcastle Neonatal Serv, Newcastle Upon Tyne, Tyne & Wear, England
[6] Newcastle Univ, Newcastle Upon Tyne, Tyne & Wear, England
[7] Univ Med Ctr Ljubljana, Univ Childrens Hosp, Dept Gastroenterol Hepatol & Nutr, Ljubljana, Slovenia
[8] Univ Childrens Hosp Zagreb, Zagreb, Croatia
[9] Erasmus MC, Sophia Childrens Hosp, Rotterdam, Netherlands
[10] Univ Bari, Osped Pediat Giovanni 23, Bari, Italy
[11] Paris Descartes Univ, Necker Enfants Malades Hosp, AP HP, Paris, France
[12] Baylor Coll Med, CNRC, Houston, TX 77030 USA
[13] Univ Copenhagen, Dept Nutr Exercise & Sports, Copenhagen, Denmark
[14] Copenhagen Univ Hosp, Rigshosp, Pediat Nutr Unit, Copenhagen, Denmark