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, Netherlands
2 Department of Marketing, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
3 Eneco, Rotterdam, Netherlands