Kozakiewicz, Marcin
Funding for this research was provided by:
Uniwersytet Medyczny w Lodzi (1.503/5-061-02/503-51-001and 1.503/5-061-02/503-51-002)
Article History
Received: 14 June 2018
Accepted: 7 February 2019
First Online: 20 March 2019
Compliance with ethical standards
: This study 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 they have no conflicts of interest.
: For this type of study, formal ethical approval is not required.
: For this type of study, formal consent is not required.