1. Laboratory of Genomic Medicine, Department of Genetics; National Rehabilitation Institute (INR); Mexico City Mexico
2. Superior Medicine School; National Polytechnic Institute (IPN); Mexico City Mexico
3. General Direction, Center for Research and Rehabilitation of the Hereditary Ataxias (CIRAH); Holguín Cuba
4. Faculty of Chemistry; National Autonomous University of Mexico (UNAM); Mexico City Mexico
5. Department of Brain Plasticity; INR; Mexico City Mexico
6. Rehabilitation Sub Direction, Rehabilitation and Special Education Center of Veracruz (CREEVER-DIF); Xalapa Veracruz Mexico
7. Department of Genetics and Molecular Biology; Center of Research and Advanced Studies (CINVESTAV)-IPN; Mexico City Mexico