[1] Parkinsons Dis & Movement Disorders Ctr Boca Rato, Neurol, Boca Raton, FL USA
[2] Univ Kansas, Med Ctr, Neurol, Kansas City, KS 66103 USA
[3] Univ Calif San Francisco, San Francisco, CA 94143 USA
[4] San Francisco VA Med Ctr, Neurol, San Francisco, CA USA
[5] Columbia Univ, Neurol, New York, NY USA
[6] Univ Cincinnati, Neurol, Cincinnati, OH USA
[7] Univ Med Ctr, Neurol, Kassel & Clin Neurosurg, Paracelsus Elena Klin, Gottingen, Germany
[8] Adamas Pharmaceut, Med Affairs, Emeryville, CA USA