[1] Tongji Univ, Shanghai Yangzhi Rehabil Hosp, Shanghai Sunshine Rehabil Ctr, Sch Mech Engn, Shanghai 201804, Peoples R China
[2] Tongji Univ, Shanghai Yangzhi Rehabil Hosp, Translat Res Ctr, Shanghai Sunshine Rehabil Ctr, Shanghai 201804, Peoples R China
[3] Univ Sci & Technol China, Inst Adv Technol, Hefei 230031, Peoples R China
[4] Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA
[5] Tongji Univ, Shanghai Yangzhi Rehabil Hosp, Shanghai Sunshine Rehabil Ctr, Shanghai 201804, Peoples R China
[6] Tongji Univ, Dept Rehabil, Shanghai 201804, Peoples R China
[7] Guangzhou Yikang Med Equipment Ind Co Ltd, Guangzhou 511447, Peoples R China