1. University of Baghdad, College of Nursing, Bab Al Muadham , Baghdad 10047 , Iraq
2. University of Baghdad , Baghdad , Iraq
3. University of Al-Muthanna , Samawah , Iraq
4. King Abdulaziz University , Jeddah , Saudi Arabia
5. Hamad Medical Corporation, University of Calgary , Doha , Qatar
6. King Saud University , Riyadh , Saudi Arabia
7. Cairo University , Giza , Egypt