1. Qatif Central Hospital, Qatif, Saudi Arabia
2. King Saud Bin Abdulziz University for Health Sciences, King Abdullah International Medical Research Center, Ministry of National Guard-Health Affairs, Alhasa, Saudi Arabia
3. Dammam Medical Complex, Dammam, Saudi Arabia
4. Research Center Almoosa Specialist Hospital, Alahsa, Saudi Arabia
5. Princess Norah University, Riyadh, Saudi Arabia
6. School of Nursing, Wollongong University, Australia