Contributors
EB, LM conception and design, analysis and interpretation of data, assessment of the patient; AS performed neuroradiological analysis; SD, LC carried on the genetic studies, MFS, VS performed neuropsychological assessment; EB, LM performed literature review and drafted the paper. RC critically revised the paper for intellectual content and final approved the version to be submitted for publication.
Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.