1. Department of Surgery, Division of Otolaryngology-Head and Neck Surgery, University of New Mexico Hospital, Albuquerque, NM, USA
2. Department of Pathology, University of Colorado, Denver, CO, USA
3. Department of Pathology, University of Kentucky College of Medicine, Lexington, KY, USA
4. Department of Family and Community Medicine, University of New Mexico Hospital, Albuquerque, NM, USA