1. Program in Medical Sciences, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
2. Center of Excellence in Systems Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
3. Program on Chemical Sciences, Chulabhorn Graduate Institute, Bangkok 10210, Thailand
4. Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand