R Ozaras1, B Vatankulu2, B Mete1, B Kacmaz1, M Halac3. 1. Infectious Diseases Department, Cerrahpasa Medical School, Istanbul University, Istanbul, Turkey. 2. Nuclear Medicine Department, Cerrahpasa Medical School, Istanbul University, Istanbul, Turkey. 3. Nuclear Medicine Department, Cerrahpasa Medical School, Istanbul University, Istanbul, Turkey. email: rozaras@istanbul.edu.tr.