Table 2.

Additional subject characteristics

Subject	Tremor dominance	Voice or respiratory complaints	Hearing complaints
1	Bilateral (greater on L)	None	None
2	NR	None	None
3	L	None	None
4	NR	None	None
5	Bilateral (greater on R)	None	None
6	L	None	None
7	NR	None	None
8	NR	Dysphonia; atrophy of the bilateral true vocal fold; hypophonic speech related to parkinsonism and atrophy	None
9	No	NR	Yes
10	NR	Vocal fold atrophy, dysphonia, dysphagia	None
11	Yes	Vocal fold atrophy, dysphonia	Bilateral hearing aids
12	No	None	none

Side of tremor dominance and presence of voice or hearing complaints.