1. Franz Tappeiner Hospital; Department of Neurology; Via Rossini, 5 Merano Bolzano Italy 39012
2. Federal Teaching Hospital; Department of Neuropsychiatry; Abakaliki Ebonyi State Nigeria 48000
3. Postgraduate School of Public Health; Department of Health Sciences; University of Genoa Genoa Italy
4. Marche Polytechnic University; Neurological Clinic; Ancona Italy