Kurt Hanevik*, Einar K Kristoffersen, Steinar Sørnes, Kristine Mørch, Halvor Næss, Ann C Rivenes, Jørn E Bødtker, Trygve Hausken and Nina Langeland
* Corresponding author: Kurt Hanevik kurt.hanevik@med.uib.no
BMC Infectious Diseases 2012, 12:258 doi:10.1186/1471-2334-12-258