1. Department of Nursing, Prince Sultan Military College of Health Sciences, Dhahran 31932, Saudi Arabia
2. Department of Nursing, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk 71491, Saudi Arabia
3. College of Nursing, University of Hail, Hail 81491, Saudi Arabia
4. Department of Nursing, Faculty of Medicine and Health Sciences, Hodeida University, Al-Hudaydah P.O. Box 3114, Yemen
5. Helene Fuld College of Nursing, 24 E. 120th St., New York, NY 10035, USA