1. Director Guangzhou Baiyun District Center for Disease Control and Prevention Guangzhou Guangdong P. R. China
2. Institute of Human Virology | Zhongshan School of Medicine | Key Laboratory of Tropical Disease Control of Ministry of Education Sun Yat‐sen University Guangzhou P. R. China
3. Department of Biostatistics and Cancer Registration Guangzhou Center for Disease Control and Prevention Guangzhou P. R. China