[1] Chi Mei Med Ctr, Div Cardiovasc Med, Tainan, Taiwan
[2] Chi Mei Med Ctr, Evidence Based Med & Hlth Policy Ctr, Tainan, Taiwan
[3] Minist Hlth & Welf, Dept Nursing & Hlth Care, 488,Sec 6,Zhongxiao E Rd, Taipei 115204, Taiwan
[4] Natl Taiwan Univ, Sch Nursing, Taipei, Taiwan
[5] China Med Univ, Coll Publ Hlth, Dept Hlth Serv Adm, Taichung, Taiwan
[6] Chi Mei Med Ctr, Nursing Dept, 901 Zhonghua Rd, Tainan 710, Taiwan
[7] Southern Taiwan Univ Sci & Technol, Dept Sr Welf & Serv, Tainan, Taiwan
[8] Natl Sun Yat Sen Univ, Coll Med, Sch Med, Kaohsiung, Taiwan