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Figure 1: Flowchart depicting the inclusion and exclusion of patients in this study. Abbreviations: DSA-digital subtraction angiography; HRVWI-high-resolution vessel wall imaging; MCB-meningocortical biopsy; n-number of patients; PACNS-primary angiitis of central nervous system

Figure 1: Flowchart depicting the inclusion and exclusion of patients in this study. Abbreviations: DSA-digital subtraction angiography; HRVWI-high-resolution vessel wall imaging; MCB-meningocortical biopsy; <i>n</i>-number of patients; PACNS-primary angiitis of central nervous system