1. Associate Professor, College of Nursing, Sultan Qaboos University, Muscat, Sultanate of Oman, and Professor, Adult Health Department, Faculty of Nursing, Al Al-Bayt University, Jordan
2. Associate Professor, College of Nursing, Sultan Qaboos University, Muscat, Sultanate of Oman
3. Associate Professor, Community Health Department, Faculty of Nursing, Al Al-Bayt University, Jordan
4. Associate Professor, Faculty of Health Sciences, Kristianstad University, Sweden; and Assistant Professor, College of Nursing, Sultan Qaboos University, Muscat, Sultanate of Oman