1. Department of Physiology, Universidade Federal do Rio Grande do Sul; Gynecological Endocnnology Unit, Division of Endocrinology, Hospital de Clinicas de Porto Alegre, Porto Alegre, Brazil; Service D'Hormonologie du Development et de La Reproduction Hopital Lapeyronie et Unite INSERM U-540, Montpellier, France; Department of Physiology, UFRGS, Rua Sarmento Leite, 500, 90050-170 Porto Alegre, RS, Brazil;
2. Department of Physiology, Universidade Federal do Rio Grande do Sul; Gynecological Endocnnology Unit, Division of Endocrinology, Hospital de Clinicas de Porto Alegre, Porto Alegre, Brazil; Service D'Hormonologie du Development et de La Reproduction Hopital Lapeyronie et Unite INSERM U-540, Montpellier, France