central nervous system disease
   |__neurodegenerative disease
       |__pontocerebellar hypoplasia  42 rec.
           |__pontocerebellar hypoplasia type 1 14 rec.
           |   |__pontocerebellar hypoplasia type 1A 2 rec.
           |   |__pontocerebellar hypoplasia type 1B 7 rec.
           |   |__pontocerebellar hypoplasia type 1C 1 rec.
           |   |__pontocerebellar hypoplasia type 1D 1 rec.
           |   |__pontocerebellar hypoplasia type 1E 2 rec.
           |   |__pontocerebellar hypoplasia type 1F 1 rec.
           |__pontocerebellar hypoplasia type 2 5 rec.
           |   |__pontocerebellar hypoplasia type 2A 1 rec.
           |   |__pontocerebellar hypoplasia type 2B 1 rec.
           |   |__pontocerebellar hypoplasia type 2C 1 rec.
           |   |__pontocerebellar hypoplasia type 2D 1 rec.
           |   |__pontocerebellar hypoplasia type 2E 1 rec.
           |   |__pontocerebellar hypoplasia type 2F
           |__pontocerebellar hypoplasia type 3
           |__pontocerebellar hypoplasia type 4 7 rec.
           |__pontocerebellar hypoplasia type 5 1 rec.
           |__pontocerebellar hypoplasia type 6 1 rec.
           |__pontocerebellar hypoplasia type 7
           |__pontocerebellar hypoplasia type 8 1 rec.
           |__pontocerebellar hypoplasia type 9 1 rec.
           |__pontocerebellar hypoplasia type 10 6 rec.
           |__pontocerebellar hypoplasia type 11 1 rec.
           |__pontocerebellar hypoplasia type 12 1 rec.
           |__pontocerebellar hypoplasia type 13 1 rec.
           |__pontocerebellar hypoplasia type 14 1 rec.
           |__pontocerebellar hypoplasia type 15 1 rec.
           |__pontocerebellar hypoplasia type 16 2 rec.