[1] Univ Tehran Med Sci, Sch Publ Hlth, Dept Hlth Management & Econ, Tehran, Iran
[2] Univ Tehran Med Sci, Sch Publ Hlth, Dept Hlth Management & Econ, Tehran, Iran
[3] Iran Univ Med Sci, Res Ctr, Hlth Management & Econ, Tehran, Iran
[4] Tabriz Univ Med Sci, Nursing & Midwifery Fac, Dept Community Hlth Nursing, Tabriz, Iran
[5] Tabriz Univ Med Sci, Hlth Management & Safety Promot Res Inst, Tabriz Hlth Serv Management Res Ctr, Tabriz, Iran
[6] Chung Ang Univ, Red Cross Coll Nursing, Seoul, South Korea