1 National Institute of Cancer Research, National Health Research Institutes, Tainan 70456, Taiwan.
2 National Institute of Cancer Research, National Health Research Institutes, Tainan 70456, Taiwan; Department of Internal Medicine, National Cheng Kung University Hospital, National Cheng Kung University, Tainan, Taiwan; Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan. Electronic address: [email protected].