Janssen, A
Verkleij, C P M
van der Vlist, A
Mathijssen, R H J
Bloemendal, H J
ter Heine, R
Article History
Received: 17 February 2017
Accepted: 15 March 2017
First Online: 11 April 2017
Competing interests
: RHJ Mathijssen receives funding by Sanofi for research projects. The remaining authors declare no conflict of interest.