From the ∗Department of Obstetrics and Gynecology, Brno University Hospital

†Department of Obstetrics and Gynecology

‡Institute of Biostatistics and Analyses, Masaryk University Medical School, Brno, Czech Republic.

Correspondence: Robert Hudecek, MD, PhD. E-mail: [email protected]

The authors have declared they have no conflicts of interest.

This study was supported by Czech Republic Ministry of Health (no. FNBr65269705).

M.H. designed the study and drafted the manuscript. M.H. and I.B. performed all surgical interventions. R.H. and I.H. followed and interviewed the patients. J.J. processed, collated, and analyzed acquired clinical data. S.T. helped with manuscript writing and provided clinical data quality control. All authors critically reviewed the manuscript and approved the final version.

Study was approved by Brno University Hospital Ethical Review Board on January 21, 2015 (reference number 24/2015).

Clinical Trial Registration: ClinicalTrials.gov, NCT02506309. https://clinicaltrials.gov/ct2/show/NCT02506309.