1. Department of Periodontology, Faculty of Dentistry Chulalongkorn University Bangkok Thailand
2. Center of Excellence in Periodontal Disease and Dental Implant Chulalongkorn University Bangkok Thailand
3. Tufts University School of Dental Medicine Boston Massachusetts USA
4. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry Chulalongkorn University Bangkok Thailand
5. Oral and Maxillofacial Surgery and Digital Implant Surgery Research Unit, Faculty of Dentistry Chulalongkorn University Bangkok Thailand
6. Harvard School of Dental Medicine Boston Massachusetts USA
7. Department of Dental Medicine Karolinska Institute Stockholm Sweden