1. Department of Proteomics The Novo Nordisk Foundation Center for Protein Research Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
2. Division of Immune Cell Biology MRC National Institute for Medical Research Mill Hill, London UK
3. Department of Microbiology, Graduate Program in Immunology and Department of Internal Medicine University of Iowa Iowa City IA USA
4. VAMC Iowa City IA USA
5. Department of Pediatrics University of Iowa Iowa City IA USA