de Graaff, Marieke A
de Rooij, Marije A J
van den Akker, Brendy E W M
Gelderblom, Hans
Chibon, Fréderic
Coindre, Jean-Michel
Marino-Enriquez, Adrian
Fletcher, Jonathan A
Cleton-Jansen, Anne-Marie
Bovée, Judith V M G
Article History
Received: 11 January 2016
Revised: 11 March 2016
Accepted: 7 April 2016
First Online: 3 May 2016
Competing interests
: The authors declare no conflict of interest.