About the Authors

Angel Stanoev

Affiliation Macedonian Academy of Sciences and Arts, Skopje, Macedonia

Daniel Trpevski

Affiliation Macedonian Academy of Sciences and Arts, Skopje, Macedonia

Ljupco Kocarev

lkocarev@manu.edu.mk

Affiliation Macedonian Academy of Sciences and Arts, Skopje, Macedonia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AS LK. Performed the experiments: AS. Wrote the paper: DT LK AS.