- Correspondence to Dr Anna M Pietroboni, Department of Pathophysiology and Transplantation, Neurology Unit, University of Milan, Centro Dino Ferrari, Fondazione Cà Granda, IRCCS Ospedale Policlinico, Milan 20122, Italy;
- Received 6 June 2017
- Revised 13 September 2017
- Accepted 28 September 2017
- Published online 20 October 2017.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.