Heuberger, Clemens http://orcid.org/0000-0003-0082-7334
Prodinger, Helmut http://orcid.org/0000-0002-0009-8015
Wagner, Stephan http://orcid.org/0000-0001-5533-2764
Funding for this research was provided by:
Austrian Science Fund (FWF) (P 24644-N26)
National Research Foundation of South Africa (70560, incentive grant)