1 Department of Pathology, The Affiliated Shunde Hospital of Guangzhou Medical University, Foshan, China.
2 Department of Pathology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
3 Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, China.
4 Department of Biomedical Engineering, Basic Medicine School, Guangzhou Medical University, Guangzhou, China.