1. From the Departments of Intensive Care Medicine (B.M., N.L., A.B.), Infectious Diseases (M.M.), Immunohematology (A.G.), and Microbiology (M.I.T.S.P.), University Hospital of Liège, the Biostatistics Unit, Public Health Department (N. Dardenne, A.-F.D.), and the Department of Animal Pathology (D.D., M.G.), Liège University, and the Department of Intensive Care Medicine, Citadelle General Hospital (V.F.), Liège, the Department of Intensive Care Medicine, Centre Hospitalier Universitaire (CHU) de...