1. Department of Arboviral Vaccine, National Institutes for Food and Drug Control, Beijing, People’s Republic of China
2. State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, People’s Republic of China
3. Department of HIV/AIDS and Sex-transmitted Virus Vaccines, National Institutes for Food and Drug Control, Beijing, People’s Republic of China