1. Department of OtolaryngologyUniversity of Alabama at BirminghamBirmingham AL
2. Department of Surgery, Nuclear Medicine and Molecular Imaging, and Intensive CareUniversity Medical Center Groningen, University of Groningen The Netherlands
3. Department of Medicine, School of MedicineUniversity of Alabama at BirminghamBirmingham AL35233
4. Department of Pathology, Division of Anatomic PathologyUniversity of Alabama at BirminghamBirmingham AL35233
5. Department of OtolaryngologyStanford UniversityStanford CA94305