Ciepiela, Przemysław
Dulęba, Antoni J.
Kowaleczko, Ewelina
Chełstowski, Kornel
Kurzawa, Rafał http://orcid.org/0000-0001-7853-6591
Funding for this research was provided by:
The National Science Centre of Poland (N N407 217040)
Article History
Received: 19 January 2018
Accepted: 5 April 2018
First Online: 17 May 2018
Compliance with ethical standards
: The study protocol was approved by the Ethics Committee of Pomeranian Medical University (PMU), Szczecin, Poland (ethical authorization number: KB-0012/90/10). All patients signed an informed consent approved by the PMU Ethics Committee. All methods were performed in accordance with the relevant guidelines and regulations of European Society of Human Reproduction and Embryology (ESHRE), The American Society for Reproductive Medicine (ASRM) and The Polish Society of Reproductive Medicine and Embryology (PSRME).
: The authors declare that there is no conflict of interest.