Accepted for Publication: January 23, 2014.
Published Online: March 24, 2014. doi:10.1001/jamaneurol.2014.130.
Study concept and design: Serra, Silvestri, Petrucci, Makovac, Spanò, Caltagirone, Bozzali.
Acquisition, analysis, or interpretation of data: Serra, Silvestri, Basile, Masciullo, Makovac, Torso, Spanò, Mastropasqua, Harrison, Bianchi, Giacanelli, Cercignani, Bozzali.
Drafting of the manuscript: Serra, Petrucci, Masciullo, Makovac, Torso, Spanò, Mastropasqua, Harrison, Bianchi, Giacanelli, Cercignani, Bozzali.
Critical revision of the manuscript for important intellectual content: Silvestri, Basile, Harrison, Caltagirone, Bozzali.
Statistical analysis: Serra, Basile, Spanò, Giacanelli, Cercignani, Bozzali.
Administrative, technical, or material support: Harrison, Cercignani.
Study supervision: Silvestri, Petrucci, Basile, Caltagirone, Bozzali.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by grants obtained by the Italian Ministry of Health (Neuroimaging Laboratory).
Role of the Sponsor: The funding source had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.