About the Authors

Nuno Vaz

nuno.vaz@ua.pt

Affiliation CESAM, Departamento de Física, Universidade de Aveiro, Campus de Santiago, Aveiro, Portugal

João D. Lencart e Silva

Affiliation CESAM, Departamento de Física, Universidade de Aveiro, Campus de Santiago, Aveiro, Portugal

João Miguel Dias

Affiliation CESAM, Departamento de Física, Universidade de Aveiro, Campus de Santiago, Aveiro, Portugal

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NV JMD. Performed the experiments: NV JMD. Analyzed the data: NV. Wrote the paper: NV JDLS JMD. Data collection: NV JMD.