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Article History

Received: 27 March 2017

Accepted: 21 March 2018

First Online: 16 April 2018

Ethics approval and consent to participate

: The tissue samples used were left over material after all diagnostics had been completed and were retrieved from the archive of Gynaecology and Obstetrics, Ludwig-Maximilians-University, Munich, Germany. All patients gave their consent to participate in the study. All patient data were fully anonymized and the study was performed according to the standards set in the declaration of Helsinki 1975. The current study was approved by the Ethics Committee of the Ludwig-Maximilians-University, Munich, Germany (approval number 048–08). Authors were blinded from the clinical information during experimental analysis.

: Not applicable

: The authors declare that they have no competing interests.

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