1. Department of Chemical and Biological Engineering, Iowa State University, Ames, IA 50011, USA
2. Nanovaccine Institute, Ames, IA 50011, USA
3. Department of Biomedical Sciences, Iowa State University, Ames, IA 50011, USA
4. PathoVacs, Incorporated, Ames, IA 50011, USA
5. Indiana Biosciences Research Institute (IBRI), Indianapolis, IN 46202, USA
6. PK Biosciences Corporation, Ames, IA 50011, USA
7. Department of Physiology and Pharmacology, University of Georgia, Athens, GA 30602, USA