1. Biotechnology,
Department of Chemistry, Center for Chemistry and Chemical Engineering, Lund University, P.O.
Box 124, SE-221 00 Lund, Sweden
2. Department
of Microbiology and Immunology, Faculty of Pharmacy, Al-Azhar University, 715
24 Assiut, Egypt
3. Department
of Microbiology and Immunology, Faculty of Pharmacy, Beni-Suef University, 625 11 Beni-Suef, Egypt
4. Department
of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, 115 62 Cairo, Egypt