1. Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, China.
2. Linyi People's Hospital of Shandong Province, Linyi, China.
3. Guangzhou Hospital of Integrated Traditional and West Medicine, Guangzhou, China.
4. Department of Clinical Laboratory, Guangzhou Twelfth People's Hospital, Guangzhou, China.
5. Department of Laboratory Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
6. Rizhao People's Hospital of Shandong Province, Rizhao, China.
7. Department of Hui Qiao, Nanfang Hospital, Southern Medical University, Guangzhou, China.
8. Department of Clinical Laboratory, Guangzhou Women & Children Medical Center, Guangzhou Medical University, Guangzhou, China.