Regional variation of Guillain-Barré syndrome by Doets, AY, Verboon, C, Van Den Berg, B, Harbo, T, Cornblath, DR, Willison, HJ, Islam, Z, Attarian, S, Barroso, FA, Bateman, K, Benedetti, L, Van Den Bergh, P, Casasnovas, C, Cavaletti, G, Chavada, G, Claeys, KG, Dardiotis, E, Davidson, A, Van Doorn, PA, Feasby, TE, Galassi, G, Gorson, KC, Hartung, H-P, Hsieh, S-T, Hughes, RAC, Illa, I, Islam, B, Kusunoki, S, Kuwabara, S, Lehmann, HC, Miller, JAL, Mohammad, QD, Monges, S, Orazio, E, Pardo, J, Pereon, Y, Rinaldi, S, Querol, L, Reddel, SW, Reisin, RC, Shahrizaila, N, Sindrup, SH, Waqar, W, Jacobs, BC, IGOS Consortium