1. Department of Gynecology, Medical School of Passo Fundo University, Passo Fundo, Brazil;
2. Department of Gynecology, São Vicente Hospital, Passo Fundo, Brazil;
3. Faculdade Meridional-IMED, Passo Fundo, Brazil;
4. Gynecological Endocrinology Unit, Division of Endocrinology, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil;
5. Laboratory of Molecular Endocrinology, Department of Physiology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil