1. From the Section of Clinical Immunology and Infectious Diseases (P.A., F.M., S.S.F.), Research Institute for Internal Medicine (P.A., F.M., N.O.S., S.S.F.), Section of Endocrinology, Medical Department (T.U.), and Department of Cardiology, Division of Heart and Lung Diseases (T.B., E.A., A.B., K.F., L.G.), University of Oslo, Rikshospitalet, Oslo, Norway.