This is a study examining repeatability and feasibility of a new method for measurement of
lung function in babies. A flexible vest is placed around the torso of the baby, and changes
in tidal volume and flow is measured. The study will enable a better understanding of the
usefulness of this equipment in a neonatal intensive care unit. The equipment is made by
VOLUSENSE Norway AS, and marketed under the name FloRight. The equipment is owned by
Volusense Norway AS during the study period.