El-Battrawy, Ibrahim
Besler, Johanna
Ansari, Uzair
Liebe, Volker
Schimpf, Rainer
Tülümen, Erol
Rudic, Boris
Lang, Siegfried
Odening, Katja
Cyganek, Lukas
Wolpert, Christian
Zhou, Xiaobo
Borggrefe, Martin
Akin, Ibrahim
Article History
Received: 4 November 2018
Accepted: 5 March 2019
First Online: 16 March 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.