1. Department of Otolaryngology – Head and Neck Surgery, Boston Medical Center, Boston, MA, USA
2. Departments of Epidemiology and Biostatistics, Boston University School of Public Health, Boston, MA, USA
3. Aram V. Chobanian and Edward Avedisian School of Medicine, Boston University, Boston, MA, USA
4. Department of Speech-Language Pathology, Boston University, Boston, MA, USA