Text and Data Mining valid from 2018-04-16
Received: 3 August 2017
Accepted: 3 April 2018
First Online: 16 April 2018
Ethics approval and consent to participate
: The study was approved by the Ethical Committee of Medical University of Warsaw and complied with the provisions of the Good Clinical Practice Guidelines and the Declaration of Helsinki. All patients provided written informed consent prior to participation.
: The authors declare that they have no competing interests.
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