Funding for this research was provided by:
Energimyndigheten (45387-1, 45514-1)
Article History
Received: 19 December 2019
Accepted: 19 May 2020
First Online: 3 June 2020
Compliance with Ethical Standards
: This study was partly funded by the Swedish Energy Agency under contracts 45387–1 and 45514–1. The authors declare that there are no conflicts of interest. The research has not involved human participants and/or animals.