[1] Natl Chiao Tung Univ, Dept Elect & Comp Engn, Hsinchu 300, Taiwan
[2] Natl Chiao Tung Univ, Coll Elect & Comp Engn, Inst Biomed Engn, Hsinchu 300, Taiwan
[3] Chang Gung Mem Hosp Linkou, Dept Internal Med, Div Haematol Oncol, Taoyuan 333, Taiwan
[4] Univ New South Wales, Sch Chem Engn, Sydney, NSW 2052, Australia
[5] Natl Chiao Tung Univ, Dept Biol Sci & Technol, Hsinchu 300, Taiwan