De-Sheng Pei, PhD, Professor & Doctoral Supervisor, School of Public Health, Chongqing Medical University. He is currently engaged in research on animal disease models, germ-free fish models, toxicological effects of environmental pollutants, and molecular mechanisms of disease caused by environmental pollutants. His discoveries have been published in more than 180 research papers. Yiyun Liu, PhD, School of Public Health, Chongqing Medical University. In 2022, Dr. Liu graduated from the Research Center for Eco-Environmental Science (RCEES), Chinese Academy of Sciences.