[1] Tamkang Univ, Dept Chem, Tamsui, Taipei County, Taiwan
[2] Tamkang Univ, Grad Inst Life Sci, Tamsui, Taipei County, Taiwan
[3] Tamkang Univ, Dept Math, Tamsui, Taipei County, Taiwan
[4] Natl Yang Ming Univ, Dept Life Sci, Taipei 112, Taiwan
[5] Natl Yang Ming Univ, Inst Genome Sci, Taipei 112, Taiwan
[6] Koo Fdn Sun Yat Sen Canc Ctr, Basic Res Div, Taipei, Taiwan