1. Department of Neurology, University of California at San Francisco, San Francisco, California; Department of Neurology, Sun Yat-Sen University of Medical Sciences, Guangzhou 510080, People's Republic of China.
2. Department of Neurology, University of California at San Francisco, San Francisco, California; Department of Neurology, University of North Carolina, Chapel Hill, Chapel Hill, North Carolina; Department of Neurology, Sun Yat-Sen University of Medical Sciences, Guangzhou 510080, People's Republic of China
3. Department of Human Genetics, Mt. Sinai School of Medicine, New York, New York
4. Department of Neurology, University of California at San Francisco, San Francisco, California
5. Department of Neurology, University of California at San Francisco, San Francisco, California; and Department of Neurology, University of North Carolina, Chapel Hill, Chapel Hill, North Carolina