Abstract
1 Department of Laboratory Medicine, Division of Clinical Microbiology, Karolinska Institutet, Karolinska University Hospital, Huddinge, SE-141 86 Stockholm, Sweden
2 Department of Microbiology, Faculty of Medical Sciences, National Autonomous University of Nicaragua (UNAN), León, Nicaragua
3 Department of Microbiology, Tumor and Cell Biology (MTC), Karolinska Institutet, SE-171 77 Solna, Stockholm, Sweden