1. Center for Infectious Disease and Cancer Research (CICAR), Kaohsiung Medical University; Kaohsiung 80708 Taiwan
2. Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University; Kaohsiung 80708 Taiwan
3. Department of Cancer Biology; Wake Forest Cancer Center, Wake Forest University; Winston-Salem NC
4. Division of Molecular and Genomic Medicine; National Health Research Institutes; Miaoli 35053 Taiwan
5. Graduate Institute of Medicine; College of Medicine, Kaohsiung Medical University; Kaohsiung 80708 Taiwan
6. Institute of Biomedical Sciences, National Sun Yat-sen University; Kaohsiung 80424 Taiwan