1. Texas A&M College of Medicine Bryan Texas USA
2. Division of Rhinology and Skull Base Surgery Department of Otolaryngology–Head and Neck Surgery Houston Methodist Hospital Houston Texas USA
3. Center for Outcomes Research Houston Methodist Research Institute Houston Texas USA
4. Department of Otolaryngology–Head and Neck Surgery The Johns Hopkins University School of Medicine Baltimore Maryland USA
5. Division of Rhinology and Endoscopic Skull Base Surgery Department of Otolaryngology–Head and Neck Surgery University of Washington Seattle Washington USA
6. Texas A&M College of Medicine – EnMed Houston Texas USA
7. Department of Otolaryngology–Head and Neck Surgery Baylor College of Medicine Houston Texas USA
8. Department of Radiology Houston Methodist Research Institute Houston Texas USA