About the Authors
- Matjaž Perc
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* E-mail: matjaz.perc@uni-mb.si
Affiliation Faculty of Natural Sciences and Mathematics, University of Maribor, Slovenia
- Zhen Wang
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Affiliation School of Physics, Nankai University, Tianjin, China,
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: MP ZW. Performed the experiments: MP ZW. Analyzed the data: MP ZW. Contributed reagents/materials/analysis tools: MP ZW. Wrote the paper: MP ZW.