[1] Mazandaran Univ Med Sci, Sch Nursing & Midwifery Amol, Sari, Iran
[2] Burdur Mehmet Akif Ersoy Univ, Dept Psychol Counseling & Guidance, Fac Educ, Burdur, Turkey
[3] Taylors Univ, Fac Business & Law, Subang Jaya, Malaysia
[4] Univ Calif San Francisco, Sch Nursing, Dept Physiol Nursing, San Francisco, CA 94143 USA
[5] Univ Calif San Francisco, Sch Med, Dept Epidemiol & Biostat, San Francisco, CA USA
[6] Mazandaran Univ Med Sci, Sch Nursing & Midwifery Sari, Sari, Iran
[7] Alborz Univ Med Sci, Sch Nursing, Karaj, Iran