[1] Erasmus MC, Dept Obstet & Gynecol, Rotterdam, Netherlands
[2] Radboud Univ Nijmegen Med Ctr, Dept Obstet & Gynecol, Nijmegen, Netherlands
[3] Univ Klin Gynakol Endokrinol & Reprod Med, Dept Frauenheilkunde, Innsbruck, Austria
[4] Erasmus MC, Dept Expt Cardiol, Rotterdam, Netherlands