1. Bournemouth Diabetes and Endocrine Centre, Royal Bournemouth Hospital NHS Foundation Trust, Dorset, United Kingdom;
2. Centre for Postgraduate Medical Research and Education, Bournemouth University, Dorset, United Kingdom
3. Department of Clinical Biochemistry, Royal Bournemouth Hospital NHS Foundation Trust, Dorset, United Kingdom;
4. Whately-Smith Ltd., Hertfordshire, United Kingdom;