1. Department of Oral and Maxillofacial Surgery, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
2. Department of Oral and Maxillofacial Surgery, University Hospital Schleswig-Holstein, Kiel, Germany.
3. Department of Faciomaxillary and Regenerative Surgery, Griffith University, Southport, QLD, Australia.
4. Department of Oral and Maxillofacial Surgery, Rotes Kreuz Hospital, Kassel, Germany.