Späth, Peter J.
Schneider, Christoph
von Gunten, Stephan
Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (310030_162552/1)
Bulgarian-Swiss Research Program (IZEBZO_142967)
Article History
Received: 19 February 2016
Accepted: 31 August 2016
First Online: 16 September 2016
Free to read: This content has been made available to all.