[1] Cambridge Univ Hosp NHS Fdn Trust, Neonatal Unit, Cambridge, England
[2] Univ Cambridge, Cambridge, England
[3] Sheffield Childrens Hosp NHS Fdn Trust, Dept Neuroradiol, Sheffield, England
[4] Royal Coll Paediat & Child Hlth, British Assoc Perinatal Med, London, England
[5] Kings Coll London, Paediat Neurol, London, England
[6] Univ Bristol, Med Sch, Bristol, England
[7] Royal Victoria Infirm, Neonatal Intens Care, Newcastle Upon Tyne, England
[8] Univ Hosp Southampton NHS Fdn Trust, Dept Neuroradiol, Southampton, England
[9] Univ Bristol, Bristol Med Sch, Bristol, England
[10] City Univ London, Dept Midwifery & Radiog, Div Midwifery & Radiog, London, England
[11] Watford Dist Gen Hosp, Neonatal Unit, Watford, England
[12] Sheffield Childrens Hosp, Sheffield, England
[13] Kings Coll London, Div Imaging Sci, London, England
[14] Cambridge Univ Hosp NHS Fdn Trust, Cambridge, England
[15] Univ Southampton, Fac Med, Clin & Expt Sci, Southampton, England
[16] Southampton Childrens Hosp, Neonatal & Paediat Neurol, Southampton, England
[17] Univ Edinburgh, Div Reprod & Dev Sci, Edinburgh, Scotland