1. Department of Biology, Chengde Medical University, Chengde, Hebei Province, China
2. Department of Chemical Engineering, Hebei Petroleum University of Technology, Chengde, Hebei Province, China
3. Department of Pharmacology, Chengde Medical University, Chengde, Hebei Province, China
4. Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Hainan Tropical Ocean University, Sanya, Hainan Province, China
5. Institute of Sericulture, Chengde Medical University, Chengde, Hebei Province, China