High Flow Nasal Cannula after Initial Resuscitation – answer number of days at which the infant received air or oxygen (any FiO2) at a flow rate of 2 liters per minute or more via nasal cannula at any time after leaving the delivery room / initial resuscitation area for at least 12 hours per day. Note: Previous definition included all infants with high flow as of 1 l / min in order to match Vermont Oxford definition. This had to be changed to 2 l / min because 1 l / min was not considered clinically relevant in Switzerland and thus led to considerable errors in data collection which were revealed in MNDS audit.