1. Research Center Dr Sulaiman Al Habib Medical Group Riyadh Saudi Arabia
2. School of Nursing Wollongong University Australia
3. College of Medicine Alfaisal University Riyadh Saudi Arabia
4. College of Nursing King Saud bin Abdulaziz University for Health Sciences Al Ahsa Saudi Arabia
5. Nursing Department Qatif Central Hospital, Ministry of Health Saudi Arabia
6. Nursing Department Al Jaber Hospital for eye, Ear, Nose and Throat, Ministry of Health Saudi Arabia
7. Qatif Central Hospital Ministry of Health Saudi Arabia
8. Faculty of Science, Department of Mathematics Taibah University Saudi Arabia