Procedures
tremor
Subjects were randomized into two groups; one group (The Fahn–Tolosa–Marin (FTM) clinical scale, which consists of three subscales, was used to evaluate clinical effects. Part A evaluates tremor location/severity (amplitude), Part B assesses specific motor tasks (writing, spiral drawing, and pouring using dominant and nondominant hands), and Part C measures functional disability due to tremor (speaking, eating, drinking, hygiene, dressing, writing, working, and social activities of daily living) (Fahn et al., 