1. Department of Toxicology, School of Public Health, China Medical University, No. 77, Puhe Road, Shenyang North New Area, Shenyang 110122, Liaoning Province, People's Republic of China
2. Department of Toxicology, School of Public Health, North China University of Science and Technology, No. 21, Bohai road, Caofeidian New Area, Tangshan 063210, Hebei Province, People's Republic of China