1. The Medical Department of the Xiamen University, Xiamen, Fujian 361000, P.R. China
2. Center of Clinical Laboratory, Zhongshan Hospital, School of Medicine, Xiamen University, Xiamen, Fujian 361004, P.R. China
3. The Medical Department of the Fujian Medical University, Fuzhou, Fujian 350000, P.R. China
4. Department of Paediatrics, Zhongshan Hospital, School of Medicine, Xiamen University, Xiamen, Fujian 361004, P.R. China
5. Department of Imaging, Zhongshan Hospital, School of Medicine, Xiamen University, Xiamen, Fujian 361004, P.R. China