| Index patient | Sex | Ethnicity | Country of origin | AAO | AAE | Family history | Symptoms | Initial symptoms | Reported mutations |
|---|---|---|---|---|---|---|---|---|---|
Yes
|
n.a.
|
n.a.
|
GBR
|
15
|
n.a.
|
n.a.
|
Ataxia
Ataxia (interictal) |
n.a.
|
|
Yes
|
n.a.
|
n.a.
|
GBR
|
6
|
n.a.
|
n.a.
|
Ataxia
Ataxia (interictal) |
n.a.
|