1. Dept. of Microbiology; Babcock Univ.; Ilishan Remo Ogun State Nigeria
2. Dept. of Agrobiotechnology (IFA-Tulln), Center for Analytical Chemistry; Univ. of Natural Resources and Life Sciences Vienna (BOKU); Konrad Lorenzstr. 20 A-3430 Tulln Austria
3. Dept. of Biochemistry and Microbiology, School of Medicine; Univ. of Namibia; P. Bag 13301 Windhoek Namibia
4. Microbiology, School of Natural Sciences; Natl. Univ. of Ireland; Galway Ireland
5. School of Toxicology, Occupational Health/Safety and Risk Assessment, COSET; Inst. for Management and Professional Training (IMPT); Yaounde Cameroon
6. Mycotoxicology and Chemoprevention Research Group, Inst. of Biomedical and Microbial Biotechnology; Cape Peninsula Univ. of Technology; PO Box 1906 Bellville 7535 South Africa