1. San Luigi Gonzaga University Hospital; Clinical and Biological Science Department, University of Torino; Regione Gonzole, 10 Orbassano Torino Italy 10043
2. University of Piemonte Orientale A. Avogadro; Department of Medical Sciences; Via Santena 5 bis Novara Italy 28100
3. Radcliff Infirmary Hospital; University Department of Clinical Neurology; Woodstock Road Oxford UK OX20HE
4. University of Western Ontario; Clinical Neurological Sciences; 339 Windermere Road London Ontario Canada N6A 5A5
5. Vall d'Hebròn University Hospital; Clinical Neuroimmunology Unit; Pg. Vall d'Hebron 119-129 Barcelona Spain 08035