1. Department of Pharmacy; National University of Singapore; 18 Science Drive 4 Singapore 117543 Singapore
2. Cancer Science Institute of Singapore; National University of Singapore; 14 Medical Drive Singapore 117599 Singapore
3. Department of Biological Sciences; National University of Singapore; 14 Science Drive 4 Singapore 117543 Singapore
4. Institute of Bioengineering and Nanotechnology; 31 Biopolis Way Singapore 138669 Singapore