1. Department of Surgery, St. Vincent's Medical Center, Bridgeport, Connecticut
2. Department of Otorhinolaryngology, Hospitals of the City of Cologne, Cologne, Germany
3. Department of Otolaryngology–Head and Neck Surgery, University of Utah, Salt Lake City, Utah
4. Department of Otorhinolaryngology, Carl-Gustav-Carus-University, Dresden, Germany
5. Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, Connecticut