1. Faculty of Dentistry Srinakharinwirot University Bangkok Thailand
2. Department of Microbiology and Research Unit on Oral Microbiology and Immunology, Faculty of Dentistry Chulalongkorn University Bangkok Thailand
3. Laboratory of Biotechnology Chulabhorn Research Institute Bangkok Thailand
4. Institute of Nutrition Mahidol University Nakhon Pathom Thailand
5. Faculty of Dentistry Mahidol University Bangkok Thailand
6. Chulabhorn Hospital Bangkok Thailand
7. Chonburi Cancer Hospital Chonburi Thailand