1. Department of Medical Microbiology and Pathology, Faculty of Medicine, Mutah University, Al-Karak, Jordan
2. Department of Microbiology, Medical Research Institute, Alexandria University, Alexandria, Egypt
3. Royal Medical Services, Amman, Jordan
4. Department of Applied Biochemistry, Institute of Biotechnology, Technical University of Berlin, Berlin, Germany
5. Department of Molecular Biology, Max Planck Institute for Infection Biology, Berlin, Germany