1 Neonatal Research Group, Health Research Center La Fe, Valencia, Spain; Division of Neonatology, University & Polytechnic Hospital La Fe, Valencia, Spain; Spanish Maternal and Infant Health and Development Network (RD12/0026/0012), Health Research Institute Carlos III, Ministry of Economy and Competitiveness, Madrid, Spain. Electronic address: maximo.vento@uv.es.
2 Centre for the Studies of Asphyxia and Resuscitation, Royal Alexandra Hospital, Edmonton, AB, Canada; Department of Pediatrics, University of Alberta, Edmonton, AB, Canada.
3 Department of Neonatology, University of California at San Diego, San Diego, CA, USA.
4 Department of Newborn Care, The Royal Hospital for Women, Randwick, NSW, Australia.
5 Department of Pediatric Research, the University of Oslo, Oslo University Hospital, Oslo, Norway.