[1] Tra Vinh Univ, Ward 5, Fac Med, Nursing Dept, 126 Nguyen Thien Thanh St, Tra Vinh 87000, Vietnam
[2] Taipei Med Univ, Coll Nursing, Sch Nursing, 250 Wu Xing St, Taipei 11031, Taiwan
[3] Taipei Med Univ, Wan Fang Hosp, Dept Neurosurg, 111 Xinglong Rd,Sect 3, Taipei 11696, Taiwan
[4] Taipei Med Univ, Wan Fang Hosp, Res Ctr Nursing Clin Practice, 111 Xinglong Rd,Sect 3, Taipei 11696, Taiwan
[5] Natl Yang Ming Chiao Tung Univ, Coll Nursing, Dept Nursing, 155 Linong St,Sect 2, Taipei 112, Taiwan
[6] Pham Ngoc Thach Univ Med, Fac Nursing & Med Technol, 2 Duong Quang Trung St,Dist 10, Ho Chi Minh City 72713, Vietnam