1. 1Department of EndocrinologyMater Misericordiae University Hospital, Dublin, Ireland
2. 2Department of Respiratory Medicine and Lung & Heart TransplantationMater Misericordiae University Hospital, Dublin, Ireland
3. 5UCD School of MedicineUniversity College Dublin, Belfield, Dublin, Ireland
4. 3Department of AnesthesiaMater Misericordiae University Hospital, Dublin, Ireland
5. 4Department of General SurgeryMater Misericordiae University Hospital, Dublin, Ireland