Institution: | 1.Department of Oral, Craniomaxillofacial and Facial Plastic Surgery, Faculty of Medicine,University Hospital of Leipzig,Leipzig,Germany;2.Department of Oral, Craniomaxillofacial and Facial Plastic Surgery, Faculty of Medicine,University Hospital of Kiel,Kiel,Germany;3.Department of Oral and Maxillofacial Surgery, Faculty of Dentistry,Chulalongkorn University,Bangkok,Thailand |