1. Department of Otolaryngology and Communication Science Medical College of Wisconsin Milwaukee Wisconsin U.S.A.
2. Department of Microbiology and Immunology Medical College of Wisconsin Milwaukee Wisconsin U.S.A.
3. Department of Biochemistry Medical College of Wisconsin Milwaukee Wisconsin U.S.A.
4. Department of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery University of Wisconsin Milwaukee Wisconsin U.S.A.
5. Department of Otolaryngology Head and Neck Surgery University of Minnesota Minneapolis Minnesota U.S.A.
6. Department of Pharmaceutics University of Minnesota Minneapolis Minnesota U.S.A.
7. Department of Pathology The University of Alabama at Birmingham Birmingham Alabama U.S.A.
8. Department of Pathology Medical College of Wisconsin Milwaukee Wisconsin U.S.A.