Inclusion Criteria:  Need for respiratory support (endotracheal tube [ETT], nasal continuous positive airway pressure [nCPAP], high-flow nasal cannula [HFNC]) Decision to conduct full life support Written informed consent  Exclusion Criteria:  No decision to conduct full life support No written informed consent Severe congenital malformations, severe asphyxia (umbilical cord artery pH <7.00) Cerebral malformations, posthaemorrhagic ventricular dilatation, intraventricular haemorrhage grade III, periventricular haemorrhage Cardiovascular instability (need for catecholamines) No need for respiratory support