Siltaloppi, Jaakko
Rajala, Risto
Hietala, Henri
Article History
Received: 3 October 2017
Accepted: 1 July 2020
First Online: 18 August 2020
Compliance with Ethical Standards
:
: The first author declares that he/she has no conflict of interest. The second author declares that he/she has no conflict of interest. During the data collection phase, the third author was employed by the company studied in this paper.
: This article does not contain any studies performed by the authors with human participants or animals.