Wimmer, P
Berscheminski, J
Blanchette, P
Groitl, P
Branton, P E
Hay, R T
Dobner, T
Schreiner, S
Article History
Received: 30 July 2014
Revised: 16 December 2014
Accepted: 30 January 2015
First Online: 16 March 2015
Competing interests
: PW is currently an employee of Novartis. The remaining authors declare no conflict of interest.