1. Internal Medicine, Department of Internal Medicine, An-Najah National University Hospital, Nablus, Palestine
2. Community Health Nursing, Faculty of Nursing, Al-Zaytoonah University of Jordan, Amman, Jordan
3. Resident Internal Medicine, Department of Internal Medicine, An-Najah National University Hospital, Nablus, Palestine
4. Consultant Community Medicine, Department of Medicine, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
5. Internal Medicine Specialist, Department of Internal Medicine, An-Najah National University Hospital, Nablus, Palestine
6. Department of Critical Care, An-Najah National University Hospital, Nablus, Palestine
7. Oncology and Hematology Department, An-Najah National University Hospital, Nablus, Palestine