[1] Hsin Sheng Jr Coll Med Care & Management, Dept Nursing, Taoyuan, Taiwan
[2] Chang Gung Childrens Hosp, Dept Pediat, Taoyuan, Taiwan
[3] Natl Taiwan Univ Childrens Hosp, Dept Pediat Cardiol, Taipei, Taiwan
[4] Natl Yang Ming Chiao Tung Univ, Coll Nursing, 155 Sec 2,Linong St, Taipei 112304, Taiwan
[5] Natl Taipei Univ Nursing & Hlth Sci, Sch Nursing, Taipei, Taiwan
[6] Chang Gung Univ Sci & Technol, Dept Nursing, Taoyuan City, Taiwan