Funding for this research was provided by:
Science Foundation Ireland (Grant 13/RC/2106)
FP7 Seventh Framework Programme (PIAP-GA-2012-324414)
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (74Z0_160501)
Article History
Received: 24 August 2017
Accepted: 27 January 2018
First Online: 10 February 2018