Bielecka-Dabrowa, Agata
Michalska-Kasiczak, Marta
Gluba, Anna
Ahmed, Ali
Gerdts, Eva
von Haehling, Stephan
Rysz, Jacek
Banach, Maciej
Article History
Received: 28 November 2014
Accepted: 10 February 2015
First Online: 9 March 2015
Competing interests
: The authors declare no competing financial interests.