[1] Calif Inst Behav Neurosci & Psychol, Neurol, Fairfield, CT 94534 USA
[2] Univ San Francisco Quito, Neurol, Quito, Ecuador
[3] Parkinsons Dis & Movement Disorders Ctr Boca Rato, Movement Disorders Specialist, Boca Raton, FL USA
[4] Parkinsons Dis & Movement Disorder Ctr Boca Raton, Neurol, Boca Raton, FL USA
[5] Univ Cent Venezuela, Dept Neurol, Caracas, Venezuela
[6] Univ Amer, Med, Quito, Ecuador
[7] Open Door Family, Family Med, Port Chester, NY USA