1. Department of Biotechnology; METU; Ankara Turkey
2. Department of Medical Microbiology; Faculty of Medicine; Giresun university; Giresun Turkey
3. Department of Radiology; Trakya University; Edirne Turkey
4. Department of Medical Microbiology; Yuksek ihtisas university; Ankara Turkey
5. Digestive Disease Research Center of Tehran Medical Science university; Shariati hospital; Tehran IRAN
6. Digestive Disease Department; Otto von Guarig Clinical University; Magdeburg Germany