1. Division of Nephrology, Department of Internal Medicine, Jordan University of Science and Technology, Irbid, Jordan
2. Division of Nephrology, Department of Internal Medicine, The University of Jordan, Amman, Jordan
3. Department of Pathology and Microbiology, Jordan University of Science and Technology, Irbid, Jordan
4. Department of Internal Medicine, Hematology and Oncology Division, Jordan University of Science and Technology, Irbid, Jordan
5. Department of Pathology, Microbiology and Forensic Medicine, The University of Jordan, Amman, Jordan