1. Section of Pathology, Department of Otolaryngology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
2. Section of Pathology, Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
3. Section of Otology and Laryngology, Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts, United States