1. Department of Physiology, Pharmacology and Toxicology, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
2. Clinical Research Center, An-Najah National University Hospital, Nablus, Palestine
3. Department of Medicine, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
4. An-Najah National University Hospital, An-Najah National University, Nablus, Palestine