[1] Consejo Nacl Invest Cient & Tecn, Lab Esteroides, Inst Biol & Med Expt, CABA, RA-1428 Buenos Aires, DF, Argentina
[2] Univ Buenos Aires, Fac Med, Dept Bioquim Humana, Buenos Aires, DF, Argentina
[3] Univ Munich, Inst Zellbiol, Munich, Germany
[4] Univ Buenos Aires, Fac Med, Div Endocrinol, Hosp Durand, Buenos Aires, DF, Argentina