作者机构:[1]Institute of Radiation Medicine, Fudan University, Shanghai 200032, China, [2]Shanghai Medical College, Fudan University, Shanghai 200032, China, [3]Jinan Maritime Safety Administration of China, Jinan 250062, China
相关基金:Partially supported by National Natural Science Foundation of China (No.30370442).Acknowlegment The authors would like to thank Prof. WU Shuilong in the Shanghai Center for Diseases Control and Prof. ZHU0 Weihai in the Institute of Radiation Medicine, Fudan University, for their help in the dis- cussion and amendment of this article.