1. Medical Department M (Endocrinology and Diabetes), Aarhus University Hospital (T.K.H., J.S.C.), DK-8000 Aarhus, Denmark
2. Department of Medical Microbiology and Immunology, University of Aarhus (S.T.), DK-8000 Aarhus, Denmark
3. Department of Intensive Care Medicine, University of Leuven (P.J.W., G.V.d.B.), B-3000 Leuven, Belgium