1. University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8571, Japan
2. Department of Rehabilitation Medicine, Chinese People's Liberation Army Joint Logistics Force 940 Hospital, 818, Anning East Road, Lanzhou, Gansu, 730000, PR China
3. Department of Rehabilitation Medicine, The Ninth People's Hospital of Shanghai, Jiao Tong University, 639, Manufacturing Bureau Road, Huangpu District, Shanghai, 200000, PR China