1. School of Chemical and Biomedical Engineering, Nanyang Technological University, 637459 Singapore
2. Genome Institute of Singapore, Agency for Science Technology and Research, 138672 Singapore
3. School of Biological Sciences, Nanyang Technological University, 637551 Singapore
4. Research Unit of Systems Microbiology, Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand