1 Newcastle Magnetic Resonance Centre, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne NE4 5PL, UK. Electronic address: roy.taylor@ncl.ac.uk.
2 Human Nutrition Research Centre, Institute of Health and Society, Newcastle University, Newcastle upon Tyne NE4 5PL, UK.
3 Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK; Institute of Cardiovascular and Medical Science, University of Glasgow, Glasgow, UK.
4 Human Nutrition, School of Medicine, Dentistry, and Nursing, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, UK.
5 Human Nutrition Research Centre, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne NE4 5PL, UK.