Spaargaren, M
de Rooij, M F M
Kater, A P
Eldering, E
Article History
Received: 20 April 2014
Revised: 16 May 2014
Accepted: 16 May 2014
First Online: 23 June 2014
Competing interests
: MS has received research support from Pharmacyclics. The other authors declare no conflict of interest.