1. Antimicrobial Resistance Research Center Mashhad University of Medical Sciences Mashhad Iran
2. Department of Microbiology and Virology, Faculty of Medicine Mashhad University of Medical Sciences Mashhad Iran
3. Department of Microbiology and Virology, School of Medicine Jiroft University of Medical Sciences Jiroft Iran
4. Department of Pediatric Gastroenterology Mashhad University of Medical Sciences Mashhad Iran