About the Authors

Ioannis U. Isaias

iuisaias@yahoo.it

Affiliations LAMB P.&L. Mariani, Section of Human Physiology Department, Università degli Studi di Milano, Milano, Italy, Centro per la Malattia di Parkinson e i Disturbi del Movimento, CTO, ICP, Milano, Italy, Neurologische Klinik und Poliklinik, Universitätsklinik Würzburg, Würzburg, Germany

Jens Volkmann

Affiliation Neurologische Klinik und Poliklinik, Universitätsklinik Würzburg, Würzburg, Germany

Alberto Marzegan

Affiliation LAMB P.&L. Mariani, Section of Human Physiology Department, Università degli Studi di Milano, Milano, Italy

Giorgio Marotta

Affiliation Dipartimento di Medicina Nucleare, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy

Paolo Cavallari

Affiliation LAMB P.&L. Mariani, Section of Human Physiology Department, Università degli Studi di Milano, Milano, Italy

Gianni Pezzoli

Affiliation Centro per la Malattia di Parkinson e i Disturbi del Movimento, CTO, ICP, Milano, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IUI JV AM PC. Performed the experiments: IUI AM GM. Analyzed the data: IUI AM GM. Contributed reagents/materials/analysis tools: AM GM. Wrote the paper: IUI JV GM PC GP.