[1] Sophia Childrens Univ Hosp, Erasmus Med Ctr, Dept Paediat, Div Neonatol, Rotterdam, Netherlands
[2] Univ Milan, Dept Pediat, San Paolo Hosp, I-20122 Milan, Italy
[3] Univ Siena, I-53100 Siena, Italy
[4] Polytech Univ Marche, Dept Clin Sci, Salesi Hosp, Div Neonatol, Ancona, Italy
[5] Univ Rome, Rome, Italy
[6] Ctr Hosp Univ Nantes, F-44035 Nantes, France
[7] Univ Pecs, Dept Paediat, Pecs, Hungary
[8] Umea Univ, Dept Clin Sci, Umea, Sweden
[9] Newcastle Univ, Royal Victoria Infirm, Newcastle Neonatal Serv, Dept Child Hlth, Newcastle Upon Tyne NE1 4LP, Tyne & Wear, England
[10] Ernst Moritz Arndt Univ Greifswald, Greifswald, Germany
[11] Univ Munich, Neonatol Klinikum, D-80539 Munich, Germany
[12] Univ Paris 05, Hop Necker Enfants Malad, AP HP, Reference Ctr Rare Digest Dis, Paris, France
[13] Case Western Reserve Univ, Dept Med, Cleveland Clin, Lerner Coll Med, Cleveland, OH 44106 USA
[14] Univ Zagreb, Zagreb Med Univ, Childrens Hosp, Zagreb, Croatia
[15] Univ Munich, Med Ctr, Dr von Hauner Childrens Hosp, Munich, Germany
[16] Hop St Vincent de Paul, F-75674 Paris, France
[17] Escuela Univ Ciencias Salud, Zaragoza, Spain
[18] Univ Florida, Dept Paediat, Gainesville, FL USA
[19] Indiana Univ, Sch Med, Dept Pediat, Sect Neonatal, Indianapolis, IN 46202 USA
[20] Leeds Gen Infirmary, Leeds, W Yorkshire, England
[21] Hosp Croix Rousse, Serv Neonatol & Reanimat Neonatale, Lyon, France
[22] Univ Liege, CHR Citadelle Neonatol, B-4000 Liege, Belgium
[23] Bnai Zion Med Ctr, Haifa, Israel
[24] Hosp Edouard Herriot, Serv Med Reprod, Lyon, France
[25] Univ Groningen, Univ Med Ctr Groningen, Dept Paediat, Groningen, Netherlands
[26] Tel Aviv Univ, Div Gastroenterol & Nutr, Schneider Childrens Med Ctr, IL-69978 Tel Aviv, Israel
[27] Med Univ Warsaw, Dept Pediat 2, Warsaw, Poland
[28] Univ Colorado, Hlth Sci Ctr, Denver, CO USA
[29] Univ Lille, Jeanne de Flandre Childrens Hosp, Lille, France
[30] Univ Iowa, Dept Pediat, Fomon Infant Nutr Unit, Childrens Hosp, Iowa City, IA 52242 USA