1. Graduate Program in Biotechnology, Faculty of Science, Chulalongkorn University , Phyathai Road, Pathumwan, Bangkok 10330 , Thailand
2. Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University , Phyathai Road, Pathumwan, Bangkok 10330 , Thailand
3. Department of Microbiology, Faculty of Medicine, Chulalongkorn University , Rama 4 Road, Pathumwan, Bangkok 10330 , Thailand
4. Department of Microbiology, Faculty of Science, Chulalongkorn University , Phyathai Road, Pathumwan, Bangkok 10330 , Thailand