Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics; Department of Parasitology and Clinical Parasitology, Guangdong Medical College,Department of Parasitology and Clinical Parasitology, Guangdong Medical College,Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics; Department of Parasitology and Clinical Parasitology, Guangdong Medical College

This work was supported by grants from The National Natural Science Foundation of China (81171599), The Project of Department of Education of Guangdong Province (2013KJCX0087) and Science & Technology Innovation Fund of Guangdong Medical College (STIF201107)