1. Department of Clinical Biochemistry, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
2. The Clinical Laboratory of Shunde Hospital, Southern Medical University, Foshan, Guangdong 528300, P.R. China
3. Blood Transfusion Department, Dongguan Tung Wah Hospital, Dongguan, Guangdong 523110, P.R. China
4. Guangdong Medical Molecular Diagnostic Key Laboratory, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China