About the Authors

Stefania Romeo

Affiliations CNR – Institute for Electromagnetic Sensing of Environment, Naples, Italy, Department of Information Engineering, Second University of Naples, Aversa, Italy

Luigi Zeni

Affiliations Department of Information Engineering, Second University of Naples, Aversa, Italy, CNR – Institute for Electromagnetic Sensing of Environment, Naples, Italy

Maurizio Sarti

Current address: IBAF–CNR, Porano, Italy

Affiliation CNR – Institute for Electromagnetic Sensing of Environment, Naples, Italy

Anna Sannino

Affiliations CNR – Institute for Electromagnetic Sensing of Environment, Naples, Italy, Department of Pharmaceutical Science, University of Salerno, Fisciano, Italy

Maria Rosaria Scarfì

Affiliation CNR – Institute for Electromagnetic Sensing of Environment, Naples, Italy

P. Thomas Vernier

Affiliation Ming Hsieh Department of Electrical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, California, United States of America

Olga Zeni

zeni.o@irea.cnr.it

Affiliation Ming Hsieh Department of Electrical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OZ MRS LZ. Performed the experiments: OZ SR AS MS. Analyzed the data: OZ SR AS. Contributed reagents/materials/analysis tools: MRS LZ. Wrote the paper: SR OZ PTV MRS LZ AS.