1. Division of Intensive Care, Department of Internal Medicine Hacettepe University Faculty of Medicine Ankara Turkey
2. Department of Infectious Diseases and Clinical Microbiology Hacettepe University Faculty of Medicine Ankara Turkey
3. Department of Medical Microbiology Hacettepe University Faculty of Medicine Ankara Turkey
4. Department of Internal Medicine Hacettepe University Faculty of Medicine Ankara Turkey
5. Department of Radiology Hacettepe University Faculty of Medicine Ankara Turkey
6. Division of Intensive Care, Department of Anaestesiology and Reanimation Hacettepe University Faculty of Medicine Ankara Turkey