Bouwman, A. F.
Beusen, A. H. W.
Lassaletta, L.
van Apeldoorn, D. F.
van Grinsven, H. J. M.
Zhang, J.
Ittersum van, M. K.
Article History
Received: 24 May 2016
Accepted: 6 December 2016
First Online: 13 January 2017
Competing interests
: The authors declare no competing financial interests.