Published on in Vol 21, No 6 (2019): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12454, first published
.

1 Department of Product Innovation Management, Delft University of Technology, Delft, The Netherlands
2 Department of Marketing, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
3 Eneco, Rotterdam, The Netherlands