About the Authors
- António Luís Lopes
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* E-mail: alsl@iscte.pt
Affiliation Instituto de Telecomunicações, Instituto Universitário de Lisboa (ISCTE-IUL), Lisboa, Portugal
- Luís Miguel Botelho
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Affiliation Instituto de Telecomunicações, Instituto Universitário de Lisboa (ISCTE-IUL), Lisboa, Portugal
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: ALL LMB. Performed the experiments: ALL. Analyzed the data: ALL LMB. Wrote the paper: ALL LMB.