1. Institute of Microbiology and Infection, School of Biosciences; University of Birmingham; Birmingham B15 2TT UK
2. Quadram Institute Bioscience; Norwich Research Park; Norwich NR4 7UA UK
3. Faculty of Medicine; Assiut University; Assiut Egypt
4. Department of Biotechnology and Biomedicine; Technical University of Denmark; DK-2800 Kgs Lyngby Denmark