1. Department of Speech, Language, and Hearing Sciences, Boston University, Boston, Massachusetts, USA
2. Graduate Program for Neuroscience, Boston University, Boston, Massachusetts, USA
3. Department of Biomedical Engineering, Boston University, Boston, Massachusetts, USA
4. Department of Otolaryngology – Head and Neck Surgery, Boston University School of Medicine, Boston, Massachusetts, USA
5. Institute for Rehabilitation Science and Engineering, Madonna Rehabilitation Hospitals, Lincoln, Nebraska, USA
6. Department of Speech & Hearing Sciences, University of Washington, Seattle, Washington, USA