1. School of Mechanical and Aerospace Engineering Nanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
2. School of Biological Sciences Nanyang Technological University 60 Nanyang Drive Singapore 637551 Singapore
3. Department of Material Science and Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
4. Endocrine and Diabetes Tan Tock Seng Hospital 11 Jalan Tan Tock Seng Singapore 308433 Singapore
5. Lee Kong Chian School of Medicine Nanyang Technological University 11 Mandalay Road, Clinical Sciences Building Singapore 308232 Singapore