| Affiliation: | 1. Department of Oral and Maxillofacial Surgery, Oregon Health and Science University, Mail code: SDOMS, 611 Southwest Campus Drive, Portland, OR 97239, USA;2. Oral, Head and Neck Cancer Program and Clinic, Providence Cancer Center, Providence Portland Medical Center, 4805 Northeast Glisan Street, Suite 6N50, Portland, OR 97213, USA;3. Trauma Service/Oral and Maxillofacial Surgery Service, Legacy Emanuel Medical Center, 2801 North Gantenbein Avenue, Portland, OR 97227, USA;4. Oregon Health and Science University, Mail code: SDOMS, 611 Southwest Campus Drive, Portland, OR 97239, USA;1. Department of Oral and Maxillofacial Surgery, QEII Health Sciences Centre, Halifax, Nova Scotia B3H 2Y9, Canada;2. Department of Oral and Maxillofacial Sciences, Faculty of Dentistry, Dalhousie University, 5981 University Avenue, Halifax, Nova Scotia B3H 4R2, Canada |
