Affiliation: | From the ‡Bioengineering Program, School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457.;the §Duke-NUS Graduate Medical School, 8 College Road, Singapore 169857, and ;the ¶Endocrine and Diabetes Clinic, Tan Tock Seng Hospital, 11 Jalan Tan Tock Seng, Singapore 308433, Singapore |