Funding for this research was provided by:
Medical University of Lublin
Received: 23 May 2020
Revised: 15 July 2020
Accepted: 16 July 2020
First Online: 31 August 2020
Compliance with ethical standards
: Stanislaw J. Czuczwar has received financial support from Bayer, GlaxoSmithKline, Janssen, Novartis, Sanofi-Aventis for lecturing. He is also a recipient of an unrestricted grant from GlaxoSmithKline. Kinga Borowicz-Reutt has no conflicts of interest that are directly relevant to the content of this article.