Zehr, Elena
Szyk, Agnieszka
Piszczek, Grzegorz
Szczesna, Ewa
Zuo, Xiaobing
Roll-Mecak, Antonina http://orcid.org/0000-0003-2621-7307
Article History
Received: 20 April 2017
Accepted: 7 July 2017
First Online: 7 August 2017
Competing interests
: The authors declare no competing financial interests.