About the Authors
- Francesca Collu
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Current address: Departement für Chemie und Biochemie, Universität Bern, Bern, Switzerland
Affiliation CNR-IOM SLACS and Dipartimento di Fisica, Università degli Studi di Cagliari, Monserrato, Italy
- Matteo Ceccarelli
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Affiliation Dipartimento di Fisica, Università degli Studi di Cagliari, Monserrato, Italy
- Paolo Ruggerone
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* E-mail: paolo.ruggerone@dsf.unica.it
Affiliation Dipartimento di Fisica, Università degli Studi di Cagliari, Monserrato, Italy
Competing Interests
The authors have read the journal's policy and have the following conflicts. Funding for this study was received from COSMOLAB and Cybersar. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: MC PR. Performed the experiments: FC. Analyzed the data: FC PR. Wrote the paper: FC PR.