A Virtual Reality (VR) based Comprehensive Freezing of Gait (FOG) Neuro-electrophysiologic Evaluation System for People with Parkinson's Disease (PD). - Haifeng Zhao; Ziyi Feng; Shenglin Hao; Huiling Tan; Shikun Zhan; Wei Liu; Yong Lu; Chunyan Cao (EMBC, 2023)