1. “VINCA” Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovica Alasa 12, Belgrade, Serbia
2. Institute for Medicinal Plant Research “Dr Josif Pancic”, Tadeusa Kocuska 1, Belgrade, Serbia
3. Department of Microbiology, University of Belgrade-Faculty of Biology, Student square 16, Belgrade, Serbia
4. Institute of Medical Statistics and Informatics, University of Belgrade-School of Medicine, Dr Subotica 15, Belgrade, Serbia
5. University of Belgrade - Institute for Biological Research “Sinisa Stankovic”-National Institute of the Republic of Serbia, Boulevard despota Stefana 142, Belgrade, Serbia
6. Department of Pediatric and Preventive Dentistry, University of Belgrade - School of Dental Medicine, Dr Subotica 11, Belgrade, Serbia