MUSK and myasthenia gravis: Among the reference analysis results (Figure 7A, references of MG-related studies were classified into 15 clusters), two OMG, five muscle-specific kinases (MusK) MG (MusK-MG), 11 refractory MG (RMG), and 14 Coronavirus Disease 2019 (COVID-19) vaccine-related MG were shown.