[1] Univ Freiburg, Fac Med, Ctr Pediat, Med Ctr,Dept Neonatol, Mathildenstr 1, D-79106 Freiburg, Germany
[2] Med Univ Warsaw, Holy Family Hosp Warsaw, Fac Hlth Sci, Dept Med Biol,Lab Human Milk & Lactat Res,Reg Hum, Warsaw, Poland
[3] Turin Univ, City Hlth & Sci, Neonatal Unit, Turin, Italy
[4] Assoc Italiana Banche Latte Umano Donato, Milan, Italy
[5] Hosp Civils Lyon, Dept Neonatol, Hop Croix Rousse, Lyon, France
[6] Claude Bernard Univ Lyon, INRA, INSERM, Pierre Benite, France
[7] Inst Invest Sanitaria Illes Balears IdISBa, F Banc Sang & Teixits Illes Balears, Banc Teixit, Barcelona, Spain
[8] Human Milk Fdn, Rothamsted Inst, Harpenden, Herts, England