1. Department of Microbiology and Infection Control, Statens Serum Institut, Copenhagen S., Denmark
2. Department of Chemistry, University of Copenhagen, Copenhagen Ø., Denmark
3. Department of Autoimmunology, Statens Serum Institut, Copenhagen S., Denmark
4. Vaccine Development Department, Statens Serum Institut, Copenhagen S., Denmark
5. Bacterial Vaccine Department, Statens Serum Institut, Copenhagen S., Denmark