[1] Emory Univ, Nell Hodgson Woodruff Sch Nursing, Atlanta, GA USA
[2] Kaohsiung Med Univ, Kaohsiung, Taiwan
[3] Chang Gung Univ Sci & Technol, Taoyuan City, Taiwan
[4] Univ Hyogo, Kobe, Hyogo, Japan
[5] Yonsei Univ, Seoul, South Korea
[6] Seoul Natl Univ, Seoul, South Korea
[7] Natl Cheng Kung Univ, Tainan, Taiwan
[8] Emory Univ, Nell Hodgson Woodruff Sch Nursing, 1520 Clifton Rd, Atlanta, GA 30322 USA