1. Department of Genetics Harvard Medical School Boston Massachusetts
2. Cardiovascular Division Brigham and Women's Hospital Boston Massachusetts
3. Department of Otology and Laryngology Massachusetts Eye and Ear Infirmary Boston Massachusetts
4. Faculty of Health Sciences University of Brasilia Brasilia Brazil
5. Department of Pediatric Otolaryngology Geisinger Medical Center Danville Pennsylvania
6. Section of Plastic and Reconstructive Surgery Department of Surgery University of Chicago Medical Center Chicago Illinois
7. Department of Otolaryngology Head & Neck Surgery Oregon Health and Science University Portland Oregon
8. Sistema de Salud Integral Fundación Tierra Nueva Hospital Un Canto a la Vida Quito Ecuador
9. Unidad de Cirugía Plástica Facultad de Medicina Universidad Nacional de Colombia Bogotá Colombia
10. Howard Hughes Medical Institute
11. Department of Otolaryngology Vanderbilt Bill Wilkerson Center Vanderbilt University Medical Center Nashville Tennessee