Dr. Xu is a vice dean and an associate Professor at Medicine School, Ningbo University, Zhejiang Province. He is a deputy member at Zhejiang Province microbial Society and Chinese Pharmacological Society for International Students (medical) Teaching Committee. Dr. Xu specializes in animal experiments, immunology, molecular biology and cell biology experimental techniques. Expertise in the design of large-scale population studies, application, implementation, biological sample collection, data collection, data analysis and writing research papers; experienced with complex statistical models and long-term longitudinal study data. He has about 40 international publications.