1. Department of Periodontics and Oral Medicine, Division of Oral Medicine, Pathology, and Radiology, University of Michigan School of Dentistry, Ann Arbor, MI, USA
2. Department of Pathology, University of Michigan Health System, Ann Arbor, MI, USA
3. Rogel Cancer Center, University of Michigan, Ann Arbor, MI, USA
4. Department of Otolaryngology–Head and Neck Surgery, University of Michigan Health System, Ann Arbor, MI, USA