Guillain-Barré syndrome following SARS-CoV-2 infection in the international GBS outcome study by Luijten, L, Leonhard, S, Doets, A, van der Eijk, A, Appeltshauser, L, Arends, S, Attarian, S, Benedetti, L, Briani, C, Casasnovas, C, Castellani, F, Dardiotis, E, Echaniz-Laguna, A, Harbo, T, Humm, A, Garssen, M, Huizinga, R, Jellema, K, van der Kooi, A, Kuitwaard, K, Kuntzer, T, Kusunoki, S, Lascano, A, Martinez-Hernandez, E, Samijn, J, Rinaldi, S, Scheidegger, O, Tsouni, P, Vicino, A, Visser, L, Walgaard, C, Wang, Y, Wirtz, P, Ripellino, P, Jacobs, B