1. Regenerative Medicine Institute (REMEDI), National University of Ireland, Galway, Ireland.
2. Physiology, National University of Ireland, Galway, Ireland.
3. Anaesthesia, Clinical Sciences Institute, and Lung Biology Group, National Centre for Biomedical Engineering Sciences, National University of Ireland, Galway, Ireland.
4. Department of Anesthesia, Keenan Research Centre in the Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto M5B 1W8, Canada.