About the Authors

Pierpaolo Palumbo

pierpaolo.palumbo@unibo.it

Affiliation Department of Electrical, Electronic, and Information Engineering “Guglielmo Marconi”–DEI, University of Bologna, Bologna, Italy

Luca Palmerini

Affiliation Department of Electrical, Electronic, and Information Engineering “Guglielmo Marconi”–DEI, University of Bologna, Bologna, Italy

Stefania Bandinelli

Affiliation Geriatric Unit, Azienda Sanitaria di Firenze, Florence, Italy

Lorenzo Chiari

Affiliation Department of Electrical, Electronic, and Information Engineering “Guglielmo Marconi”–DEI, University of Bologna, Bologna, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PP LP LC SB. Performed the experiments: PP LP LC SB. Analyzed the data: PP LP. Contributed reagents/materials/analysis tools: SB. Wrote the paper: PP LP LC.