1. Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan.
2. Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
3. Research Center for Applied Sciences, Academia Sinica, Taipei 115, Taiwan.
4. Department of Bioengineering, University of Washington, Seattle, WA 98195, USA.
5. Institute of Medical Genomics and Proteomics and Department of Surgery, National Taiwan University and Hospital, Taipei 100, Taiwan.