Röhrig, F
Vorlová, S
Hoffmann, H
Wartenberg, M
Escorcia, F E
Keller, S
Tenspolde, M
Weigand, I
Gätzner, S
Manova, K
Penack, O
Scheinberg, D A
Rosenwald, A
Ergün, S
Granot, Z
Henke, E
Article History
Received: 11 October 2015
Revised: 29 February 2016
Accepted: 8 April 2016
First Online: 6 June 2016
Competing interests
: The authors declare no conflict of interest.