[1] Iranshahr Univ Med Sci, Sch Med, Dept Nursing, Iranshahr, Iran
[2] Iranshahr Univ Med Sci, Sch Med, Dept Nursing, Med Surg Nursing, Iranshahr, Iran
[3] Iranshahr Univ Med Sci, Dept Nursing, Iranshahr, Iran
[4] Zahedan Univ Med Sci, Dept Pediat Nursing, Zahedan, Iran
[5] Marie Cederschiold Hogskola, Palliat Care Ctr, Dept Hlth Care Sci, Campus Ersta,Stigbergsgatan 30,POB 11189, Stockholm 11189, Sweden
[6] Shahid Beheshti Univ Med Sci, Sch Nursing & Midwifery, Dept Community Hlth Nursing, Tehran, Iran