Funding for this research was provided by:
Christian Doppler Forschungsgesellschaft
Mondi, Canon Production Printing, Kelheim Fibres, and SIG Combibloc
Graz University of Technology
Article History
Received: 23 March 2021
Accepted: 14 June 2021
First Online: 3 July 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: No animals or human participants took place in the study.