1. Institute of Molecular Virology, GSF-National Research Centre of Environment and Health, Munich, Germany.
2. Clinical Cooperation Group “Antigen-Specific Immunotherapy,” GSF-National Research Centre of Environment and Health and Technical University, Munich, Germany.
3. Clinical Cooperation Group “Immune Monitoring,” GSF National Research Centre of Environment and Health, Munich, Germany.
4. Institute of Virology, Technical University, Munich, Germany.
5. Institute of Medical Microbiology, Technical University, Munich, Germany.
6. Paul-Ehrlich-Institut, 63225 Langen, Germany.
7. Medizinische Poliklinik, Klinikum der Ludwig-Maximilians-Universitat, Munich, Germany.