1. Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School
2. Department of Otolaryngology - Head and Neck Surgery, Massachusetts Eye and Ear, Harvard Medical School
3. Department of Otorhinolaryngology - Head and Neck Surgery, Paracelsus Medical University
4. Program in Speech and Hearing Bioscience and Technology, Harvard Medical School
5. Department of Otolaryngology – Head and Neck Surgery, Stanford University School of Medicine
6. Boston VA Medical Center