1. Department of Pharmacology, Cangzhou Medical College, Cangzhou, Hebei 061000, P.R. China
2. Centre for Research and Development of Anti‑tumor Drugs, Tianjin Institute of Medical and Pharmaceutical Sciences, Tianjin 300020, P.R. China
3. Department of Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, Hebei 061001, P.R. China