A retrospective multicenter study on clinical and serological parameters in patients with MuSK myasthenia gravis with and without general immunosuppression by Koneczny, I, Mané-Damas, M, Zong, S, De Haas, S, Huda, S, van Kruining, D, Damoiseaux, J, De Rosa, A, Maestri, M, Guida, M, Molenaar, P, Van Damme, P, Fichtenbaum, A, Perkmann, T, De Baets, M, Lazaridis, K, Zouvelou, V, Tzartos, S, Ricciardi, R, Losen, M, Martinez-Martinez, P