Grimm, Daniel
Wösten, Han A. B.
Funding for this research was provided by:
Utrecht University
Article History
Received: 28 May 2018
Revised: 4 July 2018
Accepted: 4 July 2018
First Online: 19 July 2018
Compliance with ethical standards
:
: The authors declare competing interests. Utrecht University collaborates with the company Mogu.
: Not applicable.
: Not applicable.