1. Departments of Gynecologic Endocrinology and Infertility Treatment, and Gynecology and Obstetrics, Medical University of Vienna, Vienna, Austria
2. Departments of Gynecologic Endocrinology and Infertility Treatment, and Gynecology and Obstetrics, Medical University of Vienna, Vienna, Austria; Department of Gynecology and Obstetrics, University of Vienna Medical School, A-1090 Vienna, Währinger Gürtel 18-20, Austria