1. Infectious Diseases Research Centre Golestan University of Medical Sciences Gorgan Iran
2. Department of Microbiology, School of Medicine Golestan University of Medical Sciences Gorgan Iran
3. Department of Paediatrics, Wilhelmina Children's Hospital University Medical Centre Utrecht Utrecht The Netherlands
4. Center for Translation Immunology University Medical Centre Utrecht Utrecht The Netherlands
5. Department of Virology, School of Public Health Tehran University of Medical Sciences Tehran Iran