1 Department of Anaesthesiology, The Rotunda Hospital, Dublin, Ireland; Connolly Hospital Blanchardstown, Dublin, Ireland. Electronic address: drbmurphy406212@gmail.com.
2 Department of Anaesthesiology, The Rotunda Hospital, Dublin, Ireland; Mater Misericordiae University Hospital, Dublin, Ireland; School of Medicine and Medical Sciences, University College, Dublin, Ireland.
3 Department of Anaesthesiology, The Rotunda Hospital, Dublin, Ireland; Mater Misericordiae University Hospital, Dublin, Ireland.