[1] Natl Taiwan Normal Univ, Affiliated Senior High Sch, Taipei 10658, Taiwan
[2] Natl Taiwan Univ, Sch Med, Coll Med, Taipei 10051, Taiwan
[3] Natl Ctr High Performance Comp, Tainan 74147, Taiwan
[4] Natl Chung Hsing Univ, Dept Phys, Taichung 40227, Taiwan