1. Clinical Research Unit; Khoo Teck Puat Hospital; Singapore
2. Department of General Surgery; Khoo Teck Puat Hospital; Singapore
3. Department of Laboratory Medicine; Khoo Teck Puat Hospital; Singapore
4. Diabetes Centre; Admiralty Medical Centre; Singapore
5. Division of Endocrinology; Khoo Teck Puat Hospital; Singapore
6. Saw Swee Hock School of Public Health; Singapore