1 School of Clinical Laboratory Science, Guizhou Medical University, Guiyang, People's Republic of China.
2 Clinical Research Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, People's Republic of China.
3 Department of Ophthalmology, Guizhou Provincial People's Hospital, Guiyang, People's Republic of China.
4 Endocrine Metabolism Department, the Affiliated Hospital of Guizhou Medical University, Guiyang, People's Republic of China.
5 Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, Guizhou Medical University, Guiyang, People's Republic of China.