1. Department of Pharmacy, Faculty
of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543
2. Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington
99352, United States
3. GlaxoSmithKline R&D China, Singapore Research Centre, Biopolis at One-North, 11 Biopolis Way, The Helios #03-01/02, Singapore 138667