Funding for this research was provided by:
KU Leuven (OT/13/071)
H2020 Marie Skłodowska-Curie Actions (No. H2020-MSCA-ITN- 2014-643161 ECRYPT-NET)
Fonds Wetenschappelijk Onderzoek (FWO Thresholds G0842.13)
Deutsche Forschungsgemeinschaft
China Scholarship Council (CSC201403170380)
National Natural Science Foundation of China (No. 61672530)
Article History
Received: 19 September 2017
Accepted: 4 January 2018
First Online: 20 January 2018