1. Department of Respiratory and Sleep Medicine, Faculty of Medicine, The University of Jordan, Amman 11942, Jordan
2. Department of Internal Medicine, Faculty of Medicine, The University of Jordan, Amman 11942, Jordan
3. Faculty of Nursing, Isra University, Amman 11953, Jordan
4. School of Nursing and Midwifery, Western Sydney University, Penrith, NSW 2751, Australia
5. Faculty of Nursing, The University of Jordan, Amman 11942, Jordan
6. Department of Psychiatric Nursing and Mental Health, Faculty of Nursing, Alexandria University, Smouha, Alexandria 21527, Egypt