作者机构:[1]Department of Biostatistics, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China, [2]Shanghai Roche Pharmaceuticals Ltd., Roche ProductDevelopment in Asia Pacific, Shanghai 201203, China
相关基金:This work was supported by the grants from the National Natural Science Foundation of China (No. 30972554) and the Natural Science Foundation of Guangdong Province (No. 9 ! 5180200400001).
Correspondence to: Prof. CHEN Ping-yah, Department of Biostatisties, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China (Tel: 86-20-61648320. Email: chenpy99@126.com)