1. Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, King’s College London, London, United Kingdom.
2. Lane Fox Clinical Respiratory Physiology Research Centre, St Thomas’ Hospital, Guy’s and St. Thomas’ NHS Foundation Trust, London, United Kingdom.
3. University of Hertfordshire, Hatfield, United Kingdom.
4. East & North Herts NHS Trust, Stevenage, United Kingdom.
5. Critical Care Research Group and Physiotherapy Department, St. Thomas’ Hospital, Guy’s and St. Thomas’ NHS Foundation Trust, London, United Kingdom.
6. Katherine Cowan Consulting Limited, East Sussex, United Kingdom.
7. Physiotherapy Department, King’s College Hospital, London, United Kingdom.
8. Centre for Human and Applied Physiologic Sciences, King’s College London, London, United Kingdom.
9. Department of Critical Care and Lane Fox Clinical Respiratory Physiology Research Centre, St Thomas’ Hospital, Guy’s and St. Thomas’ NHS Foundation Trust, London, United Kingdom.