- Address correspondence and reprint requests to Philipp Soergel, MD, MHBA, Department of Obstetrics and Gynaecology, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany. E-mail: .
- Received December 13, 2016
- Accepted January 9, 2017
- First published May 1, 2017.
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