Institution: | a Department of Laboratory Medicine, Clinical Microbiology F68, Karolinska Institute, Karolinska University Hospital Huddinge, SE-14186 Stockholm, Sweden b Center for Infectious Medicine, Department of Medicine, Karolinska Institute, Karolinska University Hospital Huddinge, SE-14186 Stockholm, Sweden c Department of Immunology, Stockholm University, SE-10691 Stockholm, Sweden d Mabtech, Box 1233, SE-13128 Nacka Strand, Sweden |