1. Department of Urology, Cangzhou Hospital of Integrated TCM‑WM•HEBEI, Cangzhou, Hebei 061000, P.R. China
2. Department of Pharmacy, North China Petroleum Administration Bureau General Hospital, Renqiu, Hebei 062552, P.R. China
3. Department of Geriatrics, North China Petroleum Administration Bureau General Hospital, Renqiu, Hebei 062552, P.R. China
4. Department of Urology, Cangzhou People's Hospital, Cangzhou, Hebei 061000, P.R. China