Nowek, K
Sun, S M
Bullinger, L
Bindels, E M J
Exalto, C
Dijkstra, M K
van Lom, K
Döhner, H
Erkeland, S J
Löwenberg, B
Jongen-Lavrencic, M
Article History
Received: 20 January 2015
Revised: 18 June 2015
Accepted: 22 June 2015
First Online: 15 July 2015
Competing interests
: The authors declare no conflict of interest.