Synchronized Tactile Stimulation on Upper Limbs Using a Wearable Robot for Gait Assistance in Patients With Parkinson's Disease. - Takayuki Kishi; Taiki Ogata; Hiroki Ora; Ryo Shigeyama; Masayuki Nakayama; Masatoshi Seki; Satoshi Orimo; Yoshihiro Miyake (Frontiers Robotics AI, 2020)