1. Laboratory of Molecular and Cellular NeurobiologyNeurociences DivisionWestern Biomedical Research CenterInstituto Mexicano del Seguro SocialGuadalajaraJaliscoMexico
2. Department of Veterinarian MedicineC.U.C.B.A, Universidad de GuadalajaraMexico
3. Medical Research Unit of Neurological DiseasesHosp. Esp. C.M.N. S‐XXIMéxicoD.F.Mexico
4. Department of NeurochemistryPaul Flechsig InstituteUniversity of LeipzigGermany
5. Laboratory of Development and RegenerationDepartment of Molecular and Cell BiologyC.U.C.B.A.Universidad de GuadalajaraMexico