1 Division of Neonatology, Pediatric Intensive Care and Neuropediatrics, Department of Pediatrics, Comprehensive Center for Pediatrics, Medical University of Vienna, Vienna, Austria.
2 Department of Neonatology and Pediatric Intensive Care, Clinic for Gynecology and Obstetrics, University Hospital Hamburg Eppendorf, Hamburg, Germany.
3 Neonatal Research Unit, Centre for the Studies of Asphyxia and Resuscitation, Royal Alexandra Hospital, Edmonton, AL, Canada.
4 Department of Pediatrics, University of Alberta, Edmonton, AL, Canada.