Participants
MOVEMENT DISORDER
Thirty‐eight patients with ET participated in the study. They were all recruited from the Department of Neurology in the General Hospital of Ningxia Medical University (Yinchuan, Ningxia, China). These patients were diagnosed based on Movement Disorder Society (MDS) criteria (Bhatia et al., All participants signed written consent in advance of the intervention. All protocols for this study were approved by the Institutional Review Board of the General Hospital of Ningxia Medical University.