Cui, Li-li
Kerkelä, Erja
Bakreen, Abdulhameed
Nitzsche, Franziska
Andrzejewska, Anna
Nowakowski, Adam
Janowski, Miroslaw
Walczak, Piotr
Boltze, Johannes
Lukomska, Barbara
Jolkkonen, Jukka
Article History
Received: 17 September 2014
Revised: 27 January 2015
Accepted: 27 January 2015
First Online: 27 January 2015