Hai Fang, Professor and Doctoral Advisor in China Center for Health Development Studies, Vice Director of Peking University Health Science Center - Chinese Center for Disease Control and Prevention Joint Center for Vaccine Economics at Peking University. Prof. Hai Fang has been the principal investigator for more than 20 projects funded by the National Natural Science Foundation of China (NSFC), Chinese Medical Doctor Association, United Nations International Children's Emergency Fund (UNICEF), British Medical Research Council, and China Medical Board (CMB), etc. He has published more than 100 articles in Chinese and English journals, including over 80 English SCI/SSCI academic articles.