1. Physicochemical Laboratory, Shenzhen Longhua District Center for Disease Control and Prevention, Shenzhen, Guangdong, China
2. School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, China
3. State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
4. College of Pharmacy, Dali University, Dali, Yunnan, China