1. Department of Microbiology and Immunology Jacobs School of Medicine and Biomedical Sciences, University at Buffalo (SUNY) Buffalo New York USA
2. Eurofins Spring House Pennsylvania USA
3. Division of Structural Biology of Infection and Immunity German Cancer Research Center Heidelberg Germany
4. Division of Immune Diversity German Cancer Research Center Heidelberg Germany
5. Faculty of Biosciences University of Heidelberg Heidelberg Germany
6. Protein Expression and Purification Core Facility EMBL Heidelberg Heidelberg Germany