[1] Univ Girona, Biotechnol Anim & Human Reprod TechnoSperm, Inst Food & Agr Technol, Unit Cell Biol,Dept Biol,Fac Sci, Girona, Spain
[2] Univ Girona, Unit Cell Biol, Fac Sci, Dept Biol, Girona, Spain
[3] Charles Univ Prague, Fac Med Pilsen, Biomed Ctr, Dept Histol & Embryol, Plzen, Czech Republic
[4] Univ Nacl Rosario, Consejo Nacl Invest Cient & Tecn CONICET, Inst Biol Mol & Celular Rosario IBR, Rosario, Argentina