[1] Natl Taiwan Univ Hosp, Dept Nursing, 7 Chung Shan South Rd, Taipei 100, Taiwan
[2] Natl Taipei Univ Nursing & Hlth Sci, Dept Hlth Care Management, Biostat Consultant Lab, 365 Ming Te Rd, Taipei 112, Taiwan
[3] Natl Taiwan Univ Hosp, Dept Surg Cardiovasc Surg & Ped Cardiovasc Surg, 7 Chung Shan South Rd, Taipei 100, Taiwan
[4] Natl Taiwan Univ, Coll Med, 7 Chung Shan South Rd, Taipei 100, Taiwan
[5] Taipei Med Univ, Taipei Heart Inst, 250 Wu Hsing St, Taipei 110, Taiwan
[6] Taipei Med Univ, Wan Fang Hosp, Dept Surg, Div Cardiovasc Surg, 111,Sect 3,Xinglong Rd, Taipei 116, Taiwan
[7] Taipei Med Univ, Coll Med, Sch Med, Dept Surg, 250 Wu Hsing St, Taipei 110, Taiwan
[8] Natl Yang Ming Chiao Tung Univ, Coll Med, Sch Med, Inst Clin Med,Dept Surg, 155,Sect 2,Li Nong St, Taipei 112, Taiwan
[9] Taipei Vet Gen Hosp, Dept Nursing, 201,Sect 2,Shipai Rd, Taipei 112, Taiwan
[10] Natl Yang Ming Chiao Tung Univ, Coll Nursing, Inst Clin Nursing, 155,Sect 2,Li Nong St, Taipei 112, Taiwan