1. Department of Biomedical Research (M.P., K.K., P.K., C.F., R.H., J.M.G., A.M.-S., P.H.A.Q., V.W.M.v.H.), Gaubius Laboratory TNO Prevention and Health, 2301 CE, Leiden, The Netherlands;
2. Department of Gynecology and Reproductive Medicine (M.P., K.K., F.M.H.), Leiden University Medical Center, 2300 RC, Leiden, The Netherlands;
3. Department of Physiology (V.W.M.v.H.), Institute for Cardiovascular Research, VU University Medical Center, 1081 BT, Amsterdam, The Netherlands