1. Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Pathumwan, Bangkok, Thailand
2. Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok, Thailand
3. Research Unit of Herbal Medicine, Biomaterial, and Material for Dental Treatment, Chulalongkorn University, Bangkok, Thailand
4. Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
5. Center of Excellence in Advanced Materials and Biointerfaces, Chulalongkorn University, Bangkok, Thailand