1 Department of Neurology (GM, AK, AF-S, NG, AG), Neuroimmunology unit (AK), Movement Disorder unit (AF-S, NG), and Autoimmune encephalitis and paraneoplastic syndromes clinic (HA, AG), Tel-Aviv Sourasky Medical Center, Israel; and Sackler School of Medicine (AK, NG), Tel-Aviv University, Israel.