Fig. 6

“Intervention or Procedures” area, identified by the color pink. Classes in orange determine the “Therapeutic Procedures” area while we distinguish classes related to a specific disease with different colour tones. In particular, dark pink identifies classes related to MS whereas light pink ALS-specific classes. Class “Event” has 3 subclasses: surgical procedures, diagnostic procedures, and therapeutic procedures. Both surgical and therapeutic interventions are the same for MS and ALS patients while diagnostic procedures can differ based on the disease. See Table 9 for the legend