[1] Seoul Natl Univ, Inst Engn Res, Interuniv Semicond Res Ctr, Dept Elect & Comp Engn, Seoul 08826, South Korea
[2] Seoul Natl Univ, Interdisciplinary Program Bioengn, Seoul 03080, South Korea
[3] Pazmany Peter Catholic Univ, Fac Informat Technol & Bion, H-1083 Budapest, Hungary
[4] Seoul Natl Univ Hosp, Dept Internal Med, Seoul 03080, South Korea
[5] Seoul Natl Univ Hosp, Biomed Res Inst, Seoul 03080, South Korea