Affiliation: | 1. Department of Oral and Maxillofacial Surgery, UKGM GmbH, University Hospital of Marburg, Philipps University, Marburg, Germany;2. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Mahidol University, Bangkok, Thailand;3. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand |