Guillain-Barré syndrome after SARS-CoV-2 infection in an international prospective cohort study. - Luijten LWG; Leonhard SE; van der Eijk AA; Doets AY; Appeltshauser L; Arends S; Attarian S; Benedetti L; Briani C; Casasnovas C; Castellani F; Dardiotis E; et al. (Brain : a journal of neurology, 2021)