Fischer, Konrad
Kraner-Scheiber, Simone
Petersen, Björn
Rieblinger, Beate
Buermann, Anna
Flisikowska, Tatiana
Flisikowski, Krzysztof
Christan, Susanne
Edlinger, Marlene
Baars, Wiebke
Kurome, Mayuko
Zakhartchenko, Valeri
Kessler, Barbara
Plotzki, Elena
Szczerbal, Izabela
Switonski, Marek
Denner, Joachim
Wolf, Eckhard
Schwinzer, Reinhard
Niemann, Heiner
Kind, Alexander
Schnieke, Angelika
Article History
Received: 2 December 2015
Accepted: 9 June 2016
First Online: 29 June 2016
Competing interests
: The authors declare no competing financial interests.