| Clinical signs |
Number of patients |
No (%) |
| Ocular motor dysfunction |
2 |
0.11 |
| Ataxia |
6 |
13.95 |
| Mental impairments |
11 |
25.58 |
| Dementia |
2 |
0.11 |
| Memory impairment |
7 |
16.28 |
| Consciousness disturbance |
5 |
11.63 |
| Limbs tremor |
11 |
25.58 |
| Epileptic seizure |
5 |
11.63 |
| Dysarthria |
6 |
13.95 |
| Dizzy |
11 |
25.58 |
| Headache |
1 |
0.05 |
|
