1Neurogenetics Research Center, Instituto Nacional de Ciencias Neurologicas, Lima, Peru
2Northern Pacific Global Health Research Training Consortium, Bethesda, MD USA
3Movement Disorders Unit, Instituto Nacional de Ciencias Neurologicas, Lima, Peru
4Universidad Nacional Mayor de San Marcos, Lima, Peru
5Universidad Peruana Cayetano Heredia, Lima, Peru
6Hospital de Clínicas José de San Martín, Universidad de Buenos Aires, Buenos Aires, Argentina
7Neurology Institute, Universidad de la Republica, Montevideo, Uruguay
8Department of Genetics, Facultad de Medicina, Universidad de la Republica, Montevideo, Uruguay
9Ribeirão Preto Medical School, Universidade de São Paulo, Ribeirão Preto, Brazil
10Movement Disorders Unit, Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, São Paulo, SP Brazil
11Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
12Neruroscience Research Group, Medical Research Institute, Universidad de Antioquia, Medellin, Colombia
13Department of Genetics, School of Medicine, Universidad de Guayaquil, Hospital Luis Vernaza, Guayaquil, Ecuador
14Service of Neurology, Hospital Luis Vernaza, Guayaquil, Ecuador
15Veterans Affairs Puget Sound Health Care System, University of Washington, Seattle, WA USA
16Department of Neurology, University of Washington, Seattle, WA USA