1 Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim 8905, Norway; Department of Paediatrics, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway. Electronic address: karoline.aker@ntnu.no.
2 Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim 8905, Norway; Department of Paediatrics, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway.
3 Department of Paediatrics, Imperial College London, London, UK.
4 Department of Neonatology, Christian Medical College, Vellore, India; Department of Neonatology, Joan Kirner Women's & Children's at Sunshine Hospital, VIC, Australia.