1 Eskişehir Osmangazi University, Faculty of Medicine, Department of Internal Medicine, Section of General Internal Medicine, Eskişehir, Turkey. Electronic address: pinaresogu@gmail.com.
2 Hacettepe University, Faculty of Medicine, Department of Internal Medicine, Section of General Internal Medicine, Ankara, Turkey.
3 Hacettepe University, Faculty of Medicine, Department of Clinical Microbiology and Infectious Diseases, Ankara, Turkey.