1. Department of Otolaryngology ‐ Head and Neck SurgeryThe University of Texas Health Science Center at San Antonio San Antonio Texas
2. Department of Otolaryngology ‐ Head and Neck SurgeryHenry Ford Health System Detroit Michigan
3. Department of Otolaryngology ‐ Head and Neck SurgeryUniversity of California‐Davis Sacramento California
4. Department of Otolaryngology‐Head and Neck SurgeryUniversity of Arkansas for Medical Sciences Little Rock Arkansas
5. Department of Otolaryngology ‐ Head and Neck SurgeryOregon Health and Science University Portland Oregon