1. Biochemistry Laboratory, Marmara University Pendik E&R Hospital, Istanbul, Turkey
2. Division of Critical Care Medicine, Dept. of Anesthesiology and Reanimation, School of Medicine, Marmara University, Istanbul, Turkey
3. Division of Rheumatology, Dept. of Internal Medicine, School of Medicine, Marmara University, Istanbul, Turkey
4. Dept. of Microbiology, School of Medicine, Marmara University, Istanbul, Turkey
5. Dept. of Biochemistry, School of Medicine, Marmara University, Istanbul, Turkey