1. Division of Diabetes and Nutritional Sciences, Diabetes Research Group; King's College London; London UK
2. Faculty of Medicine, Nutrition and Dietetic Research Group; Imperial College London; London UK
3. Stable Isotope Biochemistry Laboratory, Scottish Universities Environmental Research Centre; University of Glasgow; Glasgow UK
4. School of Sport, Exercise and Rehabilitation Sciences; University of Birmingham; Birmingham UK
5. School of Science; University of the West of Scotland; Hamilton UK
6. Department of General Surgery, Rio Carrión Hospital; University Hospital Complex of Palencia; Palencia Spain