Funding for this research was provided by:
Bundesamt für Energie (Grant SI/501337-01)
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (grants 200021_172538, 206021_144976)
Swiss Innovation Agency (contract number: 1155002544)
Article History
Received: 17 October 2018
Accepted: 2 August 2019
First Online: 20 September 2019