Woess, C
Tuzlak, S
Labi, V
Drach, M
Bertele, D
Schneider, P
Villunger, A
Article History
Received: 20 August 2014
Revised: 22 December 2014
Accepted: 22 December 2014
First Online: 20 February 2015
Competing interests
: PS has a research agreement with Merck-Serono. The remaining authors declare no conflict of interest.