1. AG Molecular Neuroendocrinology (T.M.B., J.B., A.S., M.H., W.W.), University of Münster, D-48149 Münster, Germany
2. Institute of Anatomy, and Institute of Reproductive Medicine (P.N., A.L.), University of Münster, D-48149 Münster, Germany
3. AG Molecular and Cellular Neurobiology (M.R.K.), Institute of Medical Psychology, University of Magdeburg, 39120 Magdeburg, Germany