University of Duisburg-Essen, University of Duisburg-Essen, University of Waterloo, affiliation not provided to SSRN, University of Waterloo, affiliation not provided to SSRN, University of Waterloo, University of Duisburg-Essen, affiliation not provided to SSRN, University of Waterloo, University of Duisburg-Essen, University of Waterloo, affiliation not provided to SSRN and University of Duisburg-Essen - CeNIDE (Center for Nanointegration Duisburg-Essen)