Krol, Jacek
Krol, Ilona
Alvarez, Claudia Patricia Patino
Fiscella, Michele
Hierlemann, Andreas http://orcid.org/0000-0002-3838-2468
Roska, Botond
Filipowicz, Witold
Article History
Received: 20 October 2014
Accepted: 27 April 2015
First Online: 4 June 2015
Competing interests
: The authors declare no competing financial interests.