1. Cytokinetics, Incorporated, South San Francisco, CA, USA
2. The Neurological Institute, Columbia University, New York, NY, USA
3. Montreal Neurological Institute, Montreal, QC, Canada
4. Departments of Neurology and Otolaryngology, University of Texas Health Science Center, San Antonio, TX, USA
5. Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA
6. Department of Neurology, Washington University School of Medicine, St. Louis, MO, USA
7. Department of Neurology, Barrow Neurological Institute, Phoenix, AZ, USA