1. Department of Laboratory Medicine; The First Affiliated Hospital of Sun Yat-sen University; Guangzhou P. R. China
2. Department of oncology; Nanxi Mountain hospital; Guilin P. R. China
3. State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Guangzhou Guangdong P. R. China
4. Department of General Internal Medicine, Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Guangzhou P. R. China