Paauwe, M
Heijkants, R C
Oudt, C H
van Pelt, G W
Cui, C
Theuer, C P
Hardwick, J C H
Sier, C F M
Hawinkels, L J A C
Article History
Received: 24 July 2015
Revised: 18 November 2015
Accepted: 7 December 2015
First Online: 25 January 2016
Competing interests
: CP Theuer is a full-time employee of Tracon Pharmaceuticals. All other authors declare no conflict of interest.