1Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden
2Theoretical Biology and Biophysics, MS K710, Los Alamos National Laboratory, Los Alamos, New Mexico.
3Infectology Center of Latvia, Riga, Latvia
4HIV/AIDS Program Unit of the Infectology Centre of Latvia, Riga, Latvia.
5Department of Clinical Microbiology, Karolinska University Hospital, Solna, Stockholm, Sweden