1. Ionwerks, Inc, Houston, Texas 77002, United States
2. Structural
Biology Unit, Integrative Neuroscience Branch, NIH/NIDA-IRP, Baltimore, Maryland 21224, United States
3. University Hospitals of Cleveland, Cleveland, Ohio 44106, United States
4. Departments of Otolaryngology, Neurobiology, Communication Sciences & Disorders, and Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, United States
5. Center
for Neuroscience and Regenerative Medicine, Department of Pharmacology, Uniformed Services University, Bethesda, Maryland 20814, United States