1. Department of Pathology, Cangzhou Hospital of Integrated TCM‑WM, Cangzhou, Hebei 061001, P.R. China
2. The Office of Basic Medical College, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
3. Department of Pathology, Hebei Medical University, Shijiazhuang, Hebei 050017, P.R. China
4. Department of Electromyogram, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050001, P.R. China