1 Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, via Celoria 11, 20133, Milan, Italy.
2 IRCCS Fondazione Don Gnocchi, Milan, Italy.
3 Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, via Celoria 11, 20133, Milan, Italy. lorenzo.maggi@istituto-besta.it.