1. Molecular Diagnostics Laboratory, Department of Pathology, National Cheng Kung University Hospital, Tainan 704, Taiwan, R.O.C.
2. Department of Internal Medicine, National Cheng Kung University Hospital, Tainan 704, Taiwan, R.O.C.
3. Department of Pathology, National Cheng Kung University Hospital, Tainan 704, Taiwan, R.O.C.