1. Division of Diabetes, Endocrinology and MetabolismImperial College LondonLondonUnited Kingdom
2. Division of Brain Sciences, Faculty of MedicineImperial College LondonLondonUnited Kingdom
3. Department of PhysiologyLouisiana State University Health Science CenterShreveportLouisianaUSA
4. Safety AssessmentGlaxoSmithKlineWareUnited Kingdom
5. Brunel University LondonUxbridgeUnited Kingdom