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Authors
Kozakiewicz, Marcin
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Funding
Funding for this research was provided by:
Uniwersytet Medyczny w Lodzi (1.503/5-061-02/503-51-001)
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Article History
Received: 5 November 2017
Accepted: 17 April 2018
First Online: 3 May 2018
Compliance with ethical standards
: The paper complies with the principles stated in the Declaration of Helsinki “Ethical Principles for Medical Research Involving Human Subjects,” adopted by the 18th World Medical Assembly, Helsinki, Finland, June 1964, and as amended most recently by the 64th World Medical Assembly, Fontaleza, Brazil, October 2013.
: The author declares that he has no conflict of interest.
: This research was approved by Medical University review board no. RNN/125/15/KE.
: A formal consent is not required for this type of study.
