Flisikowska, Tatiana
Stachowiak, Monika
Xu, Hongen
Wagner, Alexandra
Hernandez-Caceres, Alejandra
Wurmser, Christine
Perleberg, Carolin
Pausch, Hubert
Perkowska, Anna
Fischer, Konrad
Frishman, Dmitrij
Fries, Ruedi
Switonski, Marek
Kind, Alexander
Saur, Dieter
Schnieke, Angelika
Flisikowski, Krzysztof
Article History
Received: 13 February 2017
Accepted: 16 June 2017
First Online: 26 July 2017
Competing Interests
: The authors declare that they have no competing interests.