1. School of Public Health, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
2. Yunnan Key Laboratory of Stem Cell and Regenerative Medicine, Institute of Biomedical Engineering, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
3. Department of Oncology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650500, P.R. China
4. Department of Medical Records, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650500, P.R. China
5. School of Basic Medicine, Kunming Medical University, Kunming, Yunnan 650500, P.R. China