1. Center of Excellence on Oral Microbiology and Immunology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
2. Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok, Thailand
3. Biomaterial Testing Center, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
4. Bioresources Advanced Materials (B2A), The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, Thailand
5. Department of Microbiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand