[1] Univ Amsterdam, Emma Childrens Hosp, Dept Neonatol, Amsterdam UMC, Meibergdreef 9, NL-1105 AZ Amsterdam, Netherlands
[2] Amsterdam UMC, Amsterdam Reprod & Dev Res Inst, NL-1105 AZ Amsterdam, Netherlands
[3] Amsterdam UMC, Amsterdam Gastroenterol Endocrinol Metab Res Inst, NL-1105 AZ Amsterdam, Netherlands
[4] locat Univ Amsterdam, Med Lib, Amsterdam UMC, NL-1105 AZ Amsterdam, Netherlands
[5] Maxima Med Ctr, Dept Neonatol, NL-5504 DB Veldhoven, Netherlands
[6] Tech Univ Eindhoven, Dept Elect Engn, NL-5612 AZ Eindhoven, Netherlands
[7] locat Univ Amsterdam, Emma Childrens Hosp, Dept Pediat Gastroenterol, Amsterdam UMC, NL-1105 AZ Amsterdam, Netherlands