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Authors
Rai, Vivek
Mroczek, Tomasz
Szypulski, Aleksander
Pac, Agnieszka
Gładki, Marcin
Dudyńska, Mirosława
Skalski, Janusz
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Article History
Received: 1 June 2017
Revised: 26 September 2017
Accepted: 6 October 2017
First Online: 22 November 2017
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: In retrospective studies “For this type of study, formal consent is not required.” According to the Polish law, approval from the Ethics Committee was not required for retrospective data analysis, since this kind of study did not violate human rights. All parents of those children provided written informed consents for surgery.
