1. Columbia University College of Dental Medicine, New York, NY 10032, USA
2. Division of Oral and Maxillofacial Surgery, Columbia University College of Dental Medicine, New York, NY 10032, USA
3. Division of Oral and Maxillofacial Pathology, Columbia University College of Dental Medicine, New York, NY 10032, USA
4. Private Practice, Metropolitan Oral Surgery Associates, New York, NY 10022, USA
5. Division of Oral and Maxillofacial Surgery, Department of Surgery, Weill Cornell Medical Center, New York, NY 10065, USA