[1] Univ Copenhagen, Copenhagen Neuromuscular Ctr, Righosp, Dept Neurol, Copenhagen, Denmark
[2] Copenhagen Univ Hosp, Dept Infect Dis, Rigshosp, Viro Immunol Res Unit, Copenhagen, Denmark
[3] Copenhagen Univ Hosp, Dept Clin Immunol, Righosp, Lab Mol Med, Sect 7631, Copenhagen, Denmark
[4] Copenhagen Univ Hosp, Dept Cardiol, Rigshosp, Copenhagen, Denmark
[5] Copenhagen Univ Hosp, Herlev & Gentofte Hosp, Dept Cardiol, Copenhagen, Denmark
[6] Copenhagen Univ Hosp, Dept Clin Biochem, Rigshosp, Copenhagen, Denmark
[7] Univ Copenhagen, Fac Hlth & Med Sci, Dept Clin Med, Copenhagen, Denmark
[8] Copenhagen Univ Hosp, Dept Clin Immunol, Rigshosp, Copenhagen, Denmark
[9] Copenhagen Univ Hosp, Herlev & Gentofte Hosp, Dept Emergency Med, Copenhagen, Denmark
[10] Rigshosp, Dept Neurol 8077, Inge Lehmanns Vej 8, DK-2100 Copenhagen, Denmark