1 Department of Neurological and Movement Sciences, Section of Clinical Neurology, University of Verona, Italy; Department of Neurology, Franz Tappeiner Hospital, Meran/o, Italy. Electronic address: dr.francescobrigo@gmail.com.
2 Department of Neuro-Psychiatry, Federal Teaching Hospital, P.M.B. 112, Abakaliki, Ebonyi State 48001, Nigeria.