1. Research Centre for Emerging and Reemerging Infectious Diseases, National Reference Laboratory of Plague, Tularemia and Q Fever, Pasteur Institute of Iran, Kabudar Ahang, Hamadan, Iran.
2. Department of Epidemiology and Biostatistics, Pasteur Institute of Iran, Tehran, Iran.
3. Department of Bacteriology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
4. Rodentology Research Department, Applied Animal Institute, Ferdowsi University of Mashhad, Mashhad, Iran.
5. School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
6. Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
7. Institute for Veterinary Medical Research, Centre for Agricultural Research, Hungarian Academy of Sciences, Budapest, Hungary.
8. Yersinia Research Unit, National Reference Laboratory, WHO Collaborating Center for Yersinia, Institut Pasteur, Paris, France.