1. Center for Research and Rehabilitation of Hereditary Ataxias (CIRAH) Holguín Cuba
2. Cuban Centre for Neurosciences Havana Cuba
3. Center of Molecular Immunology (CIM) Havana Cuba
4. Otorhinolaryngology Department “Vladimir I. Lenin” General University Hospital Holguín Cuba
5. Otorhinolaryngology Department “Octavio de la Concepción” Pediatric Hospital Holguín Cuba
6. Center for Research and Development of drugs (CIDEM) Havana Cuba
7. “Lucía Iñiguez Landín” Clinical Surgical Hospital Holguín Cuba
8. National Center for the Coordination of Clinical Trials (CENCEC) Havana Cuba
9. National Center for Laboratory Animal Production Havana Cuba
10. Cuban Academy of Sciences Havana Cuba