[1] Nordland Hosp, Dept Lab Med, Bodo, Norway
[2] Univ Tromso, Inst Clin Med, N-9001 Tromso, Norway
[3] Nordland Hosp, Dept Anesthesiol, Bodo, Norway
[4] Univ Nordland, Fac Profess Studies, Bodo, Norway
[5] Univ Oslo, N-0316 Oslo, Norway
[6] Oslo Univ Hosp, Dept Immunol, Oslo, Norway
[7] KG Jebsen IRC, Oslo, Norway
[8] Norwegian Univ Sci & Technol, Ctr Mol Inflammat Res, N-7034 Trondheim, Norway