Abstract
Chen, XJ; Tian, JZ; Li, GM; Li, GW
Li, GW (corresponding author), Guangdong Second Prov Gen Hosp, Ctr Clin Epidemiol & Methodol, Guangzhou, Peoples R China.; Li, GW (corresponding author), McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada.
LANCET INFECTIOUS DISEASES, 2020; 20 (4): 397