1. Oral & Maxillofacial Surgery, University of Toronto, Toronto, ON, Canada
2. University of Toronto Centre for the Study of Pain, University of Toronto, Toronto, ON, Canada
3. Dental Oncology, Maxillofacial & Ocular Prosthetics, Princess Margaret Cancer Centre, Toronto, ON, Canada
4. Wasser Pain Management Centre, Mount Sinai Hospital, Toronto, ON, Canada