1. From the Medical Faculty of the Charité (F.H., S.V., K.W., D.N.M., G.W., F.C.L., R.D.), Franz-Volhard Clinic, HELIOS Klinikum Berlin-Buch and Experimental and Clinical Research Center, Berlin, Germany; Department of Obstetrics (S.V., J.P.), Charité Campus Virchow-Clinic, Charité University Medicine, Berlin, Germany; Institute for Medical Microbiology and Hygiene (S.M.), University of Regensburg, Regensburg, Germany; and the Nuffield Department of Obstetrics and Gynaecology (C.W.G.R.), Oxford...