1. Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden.
2. Center for Infectious Medicine, Karolinska Institute, Huddinge, Sweden.
3. Cyto Pulse Sciences Inc., Karolinska Institute Science Park, Solna, Sweden.
4. U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Rockville, Maryland.
5. Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland.
6. Mabtech AB, Nacka Strand, Sweden.