1. Department of Biostatistics, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
2. Student Research Committee, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
3. Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
4. Center of Statistics and Information Technology Management, Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
5. Antimicrobial Resistance Research Center, Mashhad University of Medical Sciences, Mashhad, Iran