1. Nuffield Health The Manor Hospital; Oxford UK
2. Department of Nutrition and Dietetics; Great Western Hospitals NHS Foundation Trust; Swindon UK
3. Department of Nutrition and Dietetics; Southampton NHS Foundation Trust; Southampton UK
4. Dr Ashok Ayurveda Clinic; Birmingham UK
5. Department of Nutrition and Dietetics; North Middlesex University Hospital NHS Trust; London UK
6. Faculty of Life Sciences and Medicine; Diabetes and Nutritional Sciences Division; King's College London; London UK
7. Faculty of Medicine; Imperial College London; London UK
8. Allergy Services; Oxford University Hospitals NHS Foundation Trust; Oxford UK
9. Specialist Gastroenterology Community Dietetic Service; Somerset Partnership NHS Foundation Trust; Bridgwater UK
10. Calm Gut Clinic; Todmorden UK
11. Department of Nutrition and Dietetics; St Thomas’ Hospital; Guy's and St Thomas’ NHS Foundation Trust; London UK