1. Cardiothoracic Unit, Sultan Qaboos University Hospital, Muscat, Oman
2. Faculty of Nursing, Al Al-Bayt University, Mafraq, Jordan
3. College of Nursing, Sultan Qaboos University, Muscat, Oman
4. Faculty of Health Sciences, Kristianstad University, Kristianstad, Sweden
5. Department of Nursing, Fatima College of Health Sciences, Ajman, United Arab Emirates