Sheila Adam is Head of Nursing, Specialist Hospitals Board, UCL Hospitals NHS Foundation Trust and author of Nursing in Critical Care: Science and Practice (now in its 2nd edition), The Oxford Handbook of Critical Care Nursing and Nutrition in the Critically Ill. Mandy Odell is Nurse Consultant in Critical Care, Royal Berkshire NHS Foundation Trust, Nurse and Allied Health Professional representative for the Intensive Care Society and former Chair of the British Association of Critical Care Nurses. John Welch is Nurse Consultant in Critical Care, University College London Hospitals NHS Foundation Trust, and former Chair of the National Outreach Forum.