About the Authors

Mario Francisco-Fernández

Contributed equally to this work with: Mario Francisco-Fernández, Alejandro Quintela-del-Río

mariofr@udc.es

Affiliation Department of Mathematics, Faculty of Computer Science, Universidade da Coruña, Campus de Elviña, s/n, A Coruña 15071, Spain

Alejandro Quintela-del-Río

Contributed equally to this work with: Mario Francisco-Fernández, Alejandro Quintela-del-Río

Affiliation Department of Mathematics, Faculty of Computer Science, Universidade da Coruña, Campus de Elviña, s/n, A Coruña 15071, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MFF AQR. Performed the experiments: MFF AQR. Analyzed the data: MFF AQR. Contributed reagents/materials/analysis tools: MFF AQR. Wrote the paper: MFF AQR. Designed the software used in analysis: MFF AQR.