1. School of Mechanical Engineering, University of Leeds, Leeds, UK
2. NIHR Colorectal Therapies Healthcare Technology Co-operative (HTC), Leeds, UK
3. NIHR Devices for Dignity Healthcare Technology Co-operative at Sheffield Teaching Hospitals NHS Foundation Trust, Royal Hallamshire Hospital, Sheffield, UK
4. Enteric Healthcare Technology Co-operative, National Bowel Research Centre, London, UK
5. National Innovation Centre for Ageing, Newcastle University, Newcastle upon Tyne, UK
6. Division of Medicine, University College London, London, UK