Funding for this research was provided by:
Familjen Kamprads Stiftelse (20160053)
Swedish research council for sustainable development (2018-01845)
Received: 2 September 2019
Accepted: 5 February 2020
First Online: 13 February 2020
Compliance with Ethical Standards
: All authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.