Affiliation: | 1.Centre for the Research and Rehabilitation of Hereditary Ataxias, Libertad Street, 26, Holguín, Cuba ;2.Cuban Academy of Sciences, Cuba Street 460, Havana Vieja, Havana, Cuba ;3.University Hospital “Lucía I?iguez”, “Celia Sanchez” Avenue 1, Holguín, Cuba ;4.Medical University of Holguín, Lenin Avenue 4, Holguín, Cuba ;5.Pediatric Hospital “José Luis Miranda”, “26 de Julio” Avenue, Escambray, Santa Clara, Cuba ;6.National Institute of Neurology and Neurosurgery “Rafael Estrada”, 29th Street 139, Vedado, Plaza de la Revolución, Havana, Cuba ;7.University Hospital “Antonio Luaces Iraola”, “Máximo Gomez” Street, 257, Ciego de Avila, Cuba ;8.University Hospital “Juan Bruno Zayas”, Carretera del Caney Street. Pastorita, Santiago de Cuba, Cuba ;9.University Hospital “Manuel Ascunce”, Carretera Central Oeste Street, Km 41/2, Camaguey, Cuba ;10.University Hospital “Camilo Cienfuegos”, Bartolomé Massó Street 128, Sanctis Spiritus, Cuba ;11.University Hospital “Ernesto Guevara”, “2 de diciembre” Avenue 1, Las Tunas, Cuba ;12.University Hospital “Carlos Font Pupo”, Trafico Street 1, Banes, Holguín, Cuba ;13.Municipal Center of Medical Genetics, 1st Street, Cauto Cristo, Granma, Cuba ; |