van den Berg, S M
Seijkens, T T P
Kusters, P J H
Zarzycka, B
Beckers, L
den Toom, M
Gijbels, M J J
Chatzigeorgiou, A
Weber, C
de Winther, M P J
Chavakis, T
Nicolaes, G A F
Lutgens, E
Article History
Received: 4 September 2014
Revised: 10 October 2014
Accepted: 27 October 2014
First Online: 13 November 2014
Competing interests
: The authors declare no conflict of interest.