1. Department of Oncology, Tainan Hospital, Ministry of Health and Welfare, Executive Yuan, No. 125, Jhongshan Rd, Tainan City 70043, Taiwan, ROC.
2. Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan, ROC.
3. Department of Molecular, Cell and Cancer Biology, University of Massachusetts Medical School, Worcester, MA.
4. Infectious Disease and Signalling Research Center, National Cheng Kung University, Tainan, Taiwan, ROC.
5. Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan, ROC.
6. Department of Public Health, College of Public Health, China Medical University, Taichung, Taiwan, ROC.