Doesch, Christina
Tülümen, Erol
Akin, Ibrahim
Rudic, Boris
Kuschyk, Juergen
El-Battrawy, Ibrahim
Becher, Tobias
Budjan, Johannes
Smakic, Arman
Schoenberg, Stefan O.
Borggrefe, Martin
Papavassiliu, Theano
Article History
Received: 20 March 2017
Accepted: 14 June 2017
First Online: 24 July 2017
Competing Interests
: The authors declare that they have no competing interests.