About the Authors

Marcel Cremene

cremene.marcel@gmail.com

Affiliation Technical University of Cluj-Napoca, Cluj-Napoca, Romania

D. Dumitrescu

Affiliation Babes-Bolyai University of Cluj-Napoca, Cluj-Napoca, Romania

Ligia Cremene

Affiliation Technical University of Cluj-Napoca, Cluj-Napoca, Romania

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MC DD LC. Performed the experiments: MC. Analyzed the data: MC DD. Contributed reagents/materials/analysis tools: MC. Wrote the paper: MC LC.