1. Department of Laboratory Medicine (M.B., F.K., T.W., O.W.), Medical University of Vienna, A-1090 Vienna, Austria
2. Ludwig Boltzmann Institute for Clinical and Experimental Oncology (M.B., F.K., T.W., O.W.), A-1090 Vienna, Austria
3. Department of Surgery (M.B., A.S., L.E.O.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215
4. Department of Obstetrics and Fetal-Maternal Medicine, Reproductive Biology Unit (P.H., J.P., S.H., M.K.), Medical University of Vienna, A-1090 Vienna, Austria
5. Department of Statistics and Probability Theory (F.K., T.W.), University of Technology, A-1040 Vienna, Austria
6. Department of Obstetrics and Gynecology (G.D., U.H.), Medical University of Graz, A-8036 Graz, Austria