AUTHORS
H. Lin1, P. Guo2, X. Wang3, J. Li2, W. Cao1, Y. Zhu4
INSTITUTIONS
1Peking University, Beijing, China, 2Sun Yat-sen University, Guangzhou, China, 3Chengdu Tongle Health Consulting Service Center, Chengdu, China, 4Sun Yat-sen University, School of public health, Guangzhou, China
H. Lin1, P. Guo2, X. Wang3, J. Li2, W. Cao1, Y. Zhu4
INSTITUTIONS
1Peking University, Beijing, China, 2Sun Yat-sen University, Guangzhou, China, 3Chengdu Tongle Health Consulting Service Center, Chengdu, China, 4Sun Yat-sen University, School of public health, Guangzhou, China