1. Clinic of Dermatovenereology; Clinical Center of Serbia; Belgrade Serbia
2. Faculty of Biology; University of Belgrade; Belgrade Serbia
3. Department of Dermatovenereology, School of Medicine; University of Belgrade; Belgrade Serbia
4. Tissue Typing Department; Blood Transfusion Institute of Serbia; Belgrade Serbia
5. Institute of Microbiology and Immunology, School of Medicine; University of Belgrade; Belgrade Serbia