1. UC Berkeley - UCSF Graduate Program in Bioengineering, University of California San Francisco, San Francisco, California 94143, USA
2. Educational Testing Service R&D, San Francisco, California 94105, USA
3. Department of Neurology, University of California, San Francisco, San Francisco, California 94143, USA
4. Department of Communication Sciences and Disorders, University of Wisconsin-Madison, Madison, Wisconsin 53715, USA
5. Department of Linguistics, University of California, Berkeley, Berkeley, California 94720, USA
6. Department of Otolaryngology—Head and Neck Surgery, University of California, San Francisco, San Francisco, California 94143, USA
7. Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California 94143, USA