1. College of Nursing, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
2. Gerontological Nursing Department, Faculty of Nursing, Zagazig University, Zagazig, Egypt
3. Medical Surgical Nursing Department, Faculty of Nursing, Kafrelsheikh University, Kafrelsheikh, Egypt
4. Nursing Administration Department, Faculty of Nursing, Port Said University, Port Said, Egypt