[1] CINVESTAV UAT, Ctr Invest Reprod Anim, AP 62, Tlaxcala 90000, Mexico
[2] CINVESTAV, Dept Fisiol Biofis & Neurociencias, Mexico City 07360, DF, Mexico
[3] Benemerita Univ Autonoma Puebla, Lab Neuropsiquiatria, Inst Fisiol, 14 Sur 6301, Puebla 72570, Mexico
[4] KWS BioTest, Marine View Off Pk, Portishead BS20 7AW, Somerset, England
[5] Univ Nacl Autonoma Mexico, Dept Bioquim, Fac Med, Mexico City 04510, DF, Mexico
[6] Benemerita Univ Autonoma Puebla, Fac Ciencias Quim, Puebla 72570, Mexico