Nevertheless, particular attention must be taken in the interpretation of electrophysiology results in cases of suspected MuSK-MG as misleading signs of denervation and neuromyotonia has been reported in the presence of MuSK antibodies (Simon et al., 2013; Furuta et al., 2015; Huijbers et al., 2016). Here, MUSK is linked to myasthenia gravis.