[1] Mem Univ MUN, Eastern Hlth, Janeway Hosp, McGill Dent Sch, St John, NF, Canada
[2] Mem Univ MUN, Eastern Hlth, Janeway Hosp, Oral Med Oral Pathol, St John, NF, Canada
[3] Univ Amsterdam, Dept Oral Med, Acad Ctr Dent Amsterdam, Amsterdam, Netherlands
[4] Vrije Univ Amsterdam, Amsterdam, Netherlands
[5] Univ Amsterdam, Amsterdam UMC, Dept Oral & Maxillofacial Surg, Amsterdam, Netherlands
[6] Univ Amsterdam, Dept Oral & Maxillofacial Surg, Amsterdam Univ Med Ctr UMC, Amsterdam, Netherlands
[7] Acad Ctr Dent Amsterdam ACTA, Dept Oral Med, Amsterdam, Netherlands
[8] Cedars Sinai Med Ctr, Samuel Oschin Comprehens Canc Inst, Los Angeles, CA 90048 USA
[9] City Hope Natl Med Ctr, Div Otolaryngol & Head & Neck Surg, Dent Oncol Serv, Duarte, CA USA