1. Lentigen, a Miltenyi Biotec Company, Gaithersburg, MD 20878, USA.
2. Department of Microbiology and Immunology and Pediatrics, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
3. Protein Interactions Section, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA.
4. Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
5. Birmingham Veterans Affairs Medical Center, Research Service, Birmingham, AL 35294, USA.
6. Center for Antibody Therapeutics, University of Pittsburgh, Pittsburgh, PA 15261, USA.