Abstract
Pan, Y; Zhang, DT; Yang, P; Poon, LLM; Wang, QY
Wang, QY (corresponding author), Beijing Ctr Dis Prevent & Control, Beijing 100013, Peoples R China.; Wang, QY (corresponding author), Beijing Res Ctr Prevent Med, Beijing, Peoples R China.; Poon, LLM (corresponding author), Univ Hong Kong, Sch Publ Hlth, LKS Fac Med, Hong Kong 999077, Peoples R China.
LANCET INFECTIOUS DISEASES, 2020; 20 (4): 411