1 Department of Microbiology and Immunology, Indiana University School Medicine, Indianapolis, Indiana, USA.
2 Department of Dermatology, Indiana University School of Medicine, Indianapolis, Indiana, USA; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA; Richard L. Roudebush Veterans Administration Medical Center, Indianapolis, Indiana, USA.
3 Department of Microbiology and Immunology, Indiana University School Medicine, Indianapolis, Indiana, USA. Electronic address: mkaplan2@iupui.edu.