1. Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
2. International Centre for Cancer Vaccine Science, University of Gdansk, Gdansk, Poland
3. Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
4. Department of Microbial Pathogenesis, School of Dentistry, University of Maryland, Baltimore, Maryland 21201, United States