| BoNT-A | botulinum toxin type A |
| DOF | degree of freedom |
| ET | essential tremor |
| FTM | Fahn-Tolosa-Marin |
| MMT | manual muscle testing |
| PD | Parkinson’s disease |
| QoL | quality of life |
| QUEST | Quality of Life in Essential Tremor Questionnaire |
| RMS | root mean square |
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