1. Oncology Institute of Vojvodina, Faculty of Medicine Novi Sad, University of Novi Sad, Put Doktora Goldmana 4, 21204 Sremska Kamenica, Serbia
2. Helicobacter Research Laboratory, The Marshall Centre for Infectious Diseases Research and Training, University of Western Australia, Perth, WA 6009, Australia
3. Polarislab, Branka Bajića 78, 21000 Novi Sad, Serbia
4. Phytonet Ltd., Science Technology Park, Veljka Dugoševića 54, 11000 Belgrade, Serbia