1 Department of Diagnostic Sciences, Tufts University School of Dental Medicine, Department of Anesthesia, Critical Care and Pain Medicine, Harvard Medical School, Massachusetts General Hospital, 1 Kneeland Street, Boston, MA 02111, USA. Electronic address: rkulich@mgh.harvard.edu.
2 Massachusetts General Hospital, Oral and Maxillofacial Surgery, Harvard School of Dental Medicine, Warren 1201, Fruit Street, Boston, MA 02114, USA. Electronic address: DKeith@partners.org.
3 Department of Diagnostic Sciences, Tufts University School of Dental Medicine, Department of Public Health and Community Medicine, Tufts University School of Medicine, 1 Kneeland Street Boston, MA 02111, USA. Electronic address: Michael.schatman@tufts.edu.